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Silky sifaka

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223: 837:(allogrooming), and play. The rest of the day is spent traveling and sleeping. Other sources report that the species divides half of the day between traveling and foraging, while the rest is spent resting. Daily foraging usually starts at dawn unless delayed by rain. Group movement is usually led by females, and groups usually travel 700 m (2,300 ft) per day, and may climb 500 m (1,600 ft) along vertical slopes. Although the species spends its time in the trees, terrestrial play is not uncommon, even among adults, with play sessions lasting 30 minutes or more. Like other sifakas, it uses a type of 472: 1214:
one-year study, males responded to 71% of the marks made by females within an average of 61 seconds while only 17% of male marks received a response from other group members. Because males overmark frequently, this results in "totem-tree marking", where certain trees become covered by male scent and gouge marks. However, no observations of widespread home-range border scent-marking have been reported. Scent-marks are usually left on trees in the core area of the home range, as opposed to the territorial boundaries.
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sifaka's vocal repertoire, it does exhibit high call rates of seven calls per hour, on average. Even infants are known to have several specialized vocalizations. The most frequently emitted silky sifaka vocalizations are low-amplitude, low-frequency, tonal "hum" and "mum" vocalizations. These contact calls are used in a variety of circumstances, including group movement, affiliation, foraging, and while resting.
1123:)—a trait typical among all sifakas. Nonmaternal care usually takes the form of allogrooming, but also playing, occasional carrying, and in rare cases, nursing. The dispersal of offspring is thought to be similar to that of other eastern rainforest sifakas, with both males and females transferring out of the group at 1308:
twelve primary and secondary schools. Additionally, an "emotional component" was begun to link silky sifaka conservation with positive emotional experiences, with the goal of establishing a psychological connection between the children and the lemur. To do this, groups of children were taken on three-day educational
698:(2,300 ft) of elevation and not above 1,875 m (6,152 ft). However, at its southernmost location in Makira (Andaparaty), several groups inhabit forest fragments at an unusually low elevation of 300 m (980 ft). The silky sifaka inhabits three types of elevation-specific habitats: primary 1082: 1099: 1083: 1307:
Local villages adjacent to its remaining protected areas adopted a two-pronged strategy towards silky sifaka conservation education. First, a "cognitive component" was implemented to increase knowledge and awareness through radio interviews, slide presentations, and the disbursement of literature in
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is a known issue within its range. It is most heavily hunted in the northern and western parts of Marojejy, as well as other areas around the Andapa Basin. The species is restricted to 90,000 ha (350 sq mi) of protected areas, although this may be an overestimation because in much of
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Males scent-mark more frequently than females, as much as two or three times as often. Males also respond to female scent-marking by overmarking with their own scent glands, usually by combining chest and genital marking. They also overmark other males, although less quickly and less often. In a
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has a silky texture. Not all individuals are completely white: some have silver-gray or black tints on the crown, back, and limbs. The base of the tail ("pygal region") can be yellow. The ears and face are hairless, and the skin may be a mix of pink and black, completely black, or completely pink.
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The silky sifaka is one of the larger sifaka species, with a head-body length of 48–54 cm (1.6–1.8 ft), a tail length of 45–51 cm (1.5–1.7 ft), a total length of 93–105 cm (3.1–3.4 ft), and a weight of 5–6.5 kg (11–14 lb). As its common English name suggests,
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in 2001, he also upheld the subspecies status of the silky sifaka because variations in fur coloration between the available specimens suggested converging similarities with the diademed sifaka's coloration. Groves later noted that the coloration of the two species did not overlap, suggesting that
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The silky sifaka has a variable social structure, and lives in groups of two to nine individuals. It spends most of its day feeding and resting, though it also devotes a considerable amount of time to social behaviors, such as playing and grooming, as well as travelling. Females occasionally take
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only one day a year during the start of the rainy season sometime in December or January. Infants are born six months later in June or July. Females typically give birth to a single infant once every two years, although births in consecutive years have been observed. Infants initially cling to the
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The silky sifaka tends to be found at higher elevations than any of the other sifaka species and also occupies the greatest range of elevations for the group. In Marojejy National Park and Anjanaharibe-Sud Special Reserve, where most of the remaining groups exist, it is not found below 700 m
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While it is difficult to distinguish adult males and females in other eastern rainforest sifakas, such as Perrier's sifaka and Milne-Edwards' sifaka, gender in the silky sifaka is easily discerned due to differences in fur coloration of the upper chest. Females have white fur, while males have a
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Adult eastern sifakas have a moderately sized vocal repertoire of about seven call types. If their vocalizations have specific or varied contexts is uncertain, and as with other primates, arousal level may play a role in the acoustic structure of its calls. Despite the limited size of the silky
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and only mates one day a year during the start of the rainy season. As with other sifaka species, nonmaternal infant care is common. Group members of all ages and both sexes often groom, play with, occasionally carry, and even nurse infants that are not their own. The silky sifaka vocalizes
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Until the 21st century, brief observations and lemur surveys had merely documented the presence of the silky sifaka in special reserves and national parks. More recently, a 14-month study and two short-term studies in Marojejy National Park have revealed previously unknown details about its
1085: 1102: 710:. How sensitive the silky sifaka is to disturbance or whether it avoids habitat edges ("edge-intolerant") or is more edge-tolerant like the diademed sifakas is unknown. Like other rainforest sifaka species, it seldom crosses unforested regions between forest fragments. 1234:. It is one of the rarest and most critically endangered lemurs. Its population size is estimated to range between 100 and 1,000 individuals, while the number of mature individuals is thought to be less than 250. No silky sifakas are kept in captivity, such as in zoos. 1119:
fur of their mother's chest for nearly four weeks and then switch to riding on her back. As with other eastern rainforest sifakas, the infants of this species develop rapidly. This may be due to assistance in the care of infants by all group members (known as
1127:. However, dispersal has only been observed once with a young adult male, which left his natal group and proceeded to oust an older male from a group in which he had been a member for seven years. Female dispersal and group transfer has not yet been observed. 389:, a name which refers to the species' sneeze-like "zzuss" alarm vocalizations. The calls are emitted in a variety of stressful circumstances such as presence of humans, falling trees, terrestrial predators, and after aggression between group members. The 993: 784:
The tips of the ears protrude slightly above the fur on the rest of the head. Its eyes have a deep orange-red coloration. Its appearance is distinctive, and since no other sifakas share its range, it is not easily confused with other lemur species.
973: 924:), was rarely observed in this study. Prior to this, preliminary studies had reported that folivory accounted for 75% of the diet, while fruits and 15% was seed predation, 7% was flower consumption, and bark and soil made up the remainder. 332:(a special arrangement of the bottom, front teeth) prior to chest scent-marking. This chest marking results in males having brown-stained chests, the only visible trait that can be used to distinguish between adult males and adult females. 1205:. Males and females scent-mark in different ways: females rub their genital glands in an up-and-down motion against trees, while males may use their chest gland, genital glands, or a combination of both. Males also use their specialized 1209:
to gouge trees before scent-marking with their chest—a behavior that leaves long-lasting visible marks. The gouging is thought to serve a role in communication and has no dietary component, since males do not eat the bark or tree gum.
952: 1015: 1057: 1036: 2028:; Wallis, J.; Rylands, A. B.; Ganzhorn, J.U.; Oates, J. F.; Williamson, E. A.; Palacios, E.; Heymann, E. W.; Kierulff, M. C. M.; Long Yongcheng; Supriatna, J.; Roos, C.; Walker, S.; Cortés-Ortiz, L.; Schwitzer, C. (eds.). 605:, he not only cited its mostly white fur, but also uncharacteristic traits such as a patch of orange on its crown and tufted ears. It was not observed again until 1986, when a team led by paleoanthropologist 1695: 992: 2231:
Duckworth, J. W.; Evans, M. I.; Hawkins, A. F. A.; Safford, R. J.; Wilkinson, R. J. (1995). "The lemurs of Marojejy Strict Nature Reserve, Madagascar: A status overview with notes on ecology and threats".
1296:. Its two largest protected areas, Masoala National Park and Marojejy National Park, have been the hardest hit. The disturbance caused by selective logging increases the likelihood of forest fires, helps 1150:, which is emitted in response to terrestrial disturbances, calls from lost group members, and aggression by other group members. Acoustic analyses of the "zzuss" vocalization have shown that the call's 645:
represents the northern limit of its current distribution, although historical sifaka range maps created by Grandidier and Milne-Edwards in the late 19th century show the silky sifaka as far north as the
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with a gland on the chest and throat (the sternal gular gland). During mating season, the size of the "chest patch" increases to cover both the chest and abdomen as a result of increased scent marking.
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According to some studies, the silky sifaka spends most of its day resting and feeding (about 44 and 25%, respectively). It also devotes approximately 6.8% of the day to social behavior, such as
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given by western dry forest sifakas in which they emit an explosive, hiss-like "shee-faak" call several times in succession. On the east coast, local residents refer to the larger-bodied
2196:[Study of mountain ecosystems in the region of Madagascar. III. The Marojejy. IV. The Itremo and Ibity. Geomorphology, climatology, fauna and flora (RCP Campaign 225 1972–1973)] 864:). It is highly varied and includes many plant species. A two-month study from the mid-2000s showed that the silky sifaka can feed on as many as 76 species of plant from 42  771:
Male silky sifakas have a prominent chest patch due to scent marking (top), and all individuals lose skin pigment with age, leading to totally pink faces in some extreme cases (bottom).
2037:. Illustrated by S. D. Nash. Arlington, VA.: IUCN/SSC Primate Specialist Group (PSG), International Primatological Society (IPS), and Conservation International (CI). pp. 23–26. 951: 2363:
Goodman, S. M.; Raherilalao, M. J.; Rakotomalala, D.; Raselimanana, A.; Schütz, H.; Soarimalala, V. (2003). "Les Lémuriens" [The lemurs]. In Goodman, S.M.; Wilmé, L. (eds.).
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found only on Madagascar. Although no aerial predators are known, the silky sifaka often watches the sky and emits loud "aerial disturbance" roars at the sight of the large
436:), but without the dark fur on its head or the ash-colored spot on the back. The first specimen was obtained in 1872 and provided by a "Monsieur Guinet", a planter from 667: 1323:
to the south. In addition to providing additional habitat for the silky sifaka, the corridors would promote genetic exchange between currently isolated populations.
590:). The species status of the silky sifaka, as well as other sifakas, does not have universal support: in 2007, Tattersall argued against species distinctions within 1740: 519: 315:
priority over males during feeding. Like other eastern sifakas, it consumes mainly leaves and seeds, but also fruit, flowers, and even soil on occasion. It is a
311:). Studies in 2004 and 2007 compared external proportions, genetics, and craniodental anatomy supporting full species status, which has generally been accepted. 892:(9.49%). In the study, feeding upon these four plant families took up as much as 37.06% of the total feeding time for the silky sifaka: 16.09% on the fruit of 582:
group of four closely related, large-bodied, eastern-rainforest sifakas. The other three members of this group are the diademed sifaka, Perrier's sifaka, and
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sequencing) and by comparing external proportions. For example, the silky sifaka has a shorter tail. Their analysis indicated a closer relationship with
3167: 2937: 2852: 2580: 682:) may slightly enlarge the known geographic range of this species. The presence of the silky sifaka has been documented within Marojejy National Park, 985: 655: 335:
The species is only found within a few protected areas in the rainforests of northeastern Madagascar, with the majority of the remaining population in
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its range the silky sifaka is not found below 700 m (2,300 ft) in altitude, possibly due to either hunting pressure or habitat preference.
733:). In Marojejy National Park, it is sympatric with the white-fronted brown lemur. In 2008, the silky sifaka was suggested to be sympatric with the 638: 4301: 3665: 2939:
Non-nutritive tree gouging in wild Milne-Edwards' sifakas (Propithecus edwardsi): Description and potential communicative functions (Abstract #283)
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Nouveaux résultats d'inventaires biologiques faisant référence à l'altitude dans la région des massifs montagneux de Marojejy et d'Anjanaharibe-Sud
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Rasolofoson, D.; Rakotondratsimba, G.; Rakotonirainy, O.; Rakotozafy, L. M. A.; Ratsimbazafy, J. H.; Rabetafika, L.; Randrianarison, R. M. (2007).
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compared to the length of its toothrow. Despite the promotion to full species status, the silky sifaka is still considered to be a member of the
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Upon further review in 1875, Grandidier demoted the silky sifaka to a variety or "race" of the diademed sifaka. By the time German zoologist
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in Marojejy National Park. Both the teachers and the students showed interest and genuine concern about the plight of the silky sifaka.
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frequently despite its moderately sized vocal repertoire consisting of seven adult calls. Like all other lemurs, it relies strongly on
2119:"Influences des pressions anthropiques sur les lémuriens d'Anantaka, dans la partie est du plateau de Makira, Maroantsetra, Madagascar" 2407: 943: 674:. As of 2009, new observations of a few groups of the silky sifaka in unprotected forest fragments adjacent to northeastern Makira ( 4306: 4117: 1006: 802:
behavioral biology, communication, and feeding ecology. The silky sifaka has a variable social structure and is known to live in
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Mayor, M. I.; Sommer, J. A.; Houck, M. L.; Zaonarivelo, J. R.; Wright, P. C.; Ingram, C.; Engel, S. R.; Louis Jr., E. E. (2004).
1048: 1027: 542:) of 42 chromosomes (2n=42), the silky sifaka was distinct from the diademed sifaka. This was shown through genetic tests ( 3670: 3281: 3477: 3436: 3407: 3371: 3349: 3330: 2042: 1315:
Plans are being made to both expand Anjanaharibe-Sud Special Reserve and link existing parks and reserves in the region with
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have not been documented among female sifakas, including the silky sifaka, although seasonal hierarchies are known to occur.
347:, the Betaolana Corridor, and some unprotected forest fragments. The silky sifaka is hunted throughout its range as no local 4148: 2328:) in the Makira Conservation Site at Andaparaty-Rabeson: Ranging, demography, and possible sympatry with red ruffed lemurs ( 2151: 4271: 3057: 2995: 1524: 1241:
for the protected areas in which it is found, particularly for Marojejy, which has recently been inaugurated as part of a
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The silky sifaka is confined to a small region of northeastern Madagascar within a strip of humid forest stretching from
3652:– a professional 50 minute HD film about illegal rosewood logging in Madagascar and the impact on the silky sifaka lemur 3168:"The role of taste preference and wealth in bushmeat hunting in villages adjacent to Marojejy National Park, Madagascar" 2369:
New results of biological inventories referring to the altitude in mountainous region of Marojejy and Anjanaharibe-South
4286: 3495:]. Histoire physique, naturelle et politique de Madagascar (in French). Vol. VI. Paris: Imprimerie Nationale. 3858: 3616: 3597: 3570: 3530: 1923: 440:. The specimen allowed both Grandidier and Milne-Edwards to more thoroughly describe the species based on its skin, 3385: 2829: 2782: 2735: 2670: 2647: 2540: 2500: 2323: 2152:"Une merveille de la nature à Madagascar. Prémière exploration botanique du Massif du Marojejy et de ses satellites" 2081: 4187: 3208: 488: 2854:
A little of this, a lot of that: Specificity and variability in nonhuman primate vocal repertoires (Abstract #742)
2712:"Sex differences in the acoustic structure of an alarm vocalization in a monomorphic primate: Wild silky sifakas ( 694:, and the Tsaratanana Corridor. In 2008, 16 groups were discovered in western Marojejy near Antsahaberoaka. 1478: 856:
The silky sifaka's diet is similar to that of other eastern rainforest sifakas, consisting primarily of leaves (
4276: 4083: 4069: 3399: 3182: 2950: 2865: 2597: 1293: 2408:"Ecogeographic size variations in sifakas: a test of the resource seasonality and resource quality hypotheses" 2154:[A wonder of nature in Madagascar. First botanical exploration of Morojejy Massif and its satellites] 2984:) in Madagascar: sex differences and seasonal effects in usage and response across multiple scent-mark types" 1285: 1246: 842: 362: 54: 328:
on top of scent marks made by other group members, particularly females. Males also gouge trees with their
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Nonmaternal infant care often occurs in silky sifakas. A mother carrying more than her own infant is rare.
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and colleagues followed by adopting the full species status of the silky sifaka for the second edition of
3840: 3690: 3557: 3517: 2763:) "antipredator" vocalizations: Weak evidence for "aerial predator" but not "terrestrial predator" calls" 707: 566: 560: 91: 3986: 3562: 3522: 2121:[Influence of human pressure on lemur groups on the Makira Plateau, Maroantsetra, Madagascar]. 484: 3588:
Schilling, A. (1979). "Olfactory communication in prosimians". In Doyle, G. A.; Martin, R. D. (eds.).
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Irwin, M. T. (2006). "Chapter 14: Ecologically Enigmatic Lemurs: The Sifakas of the Eastern Forests (
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in Madagascar. Extract from a letter addressed to Mr. Milne Edwards, from Mr. Alf. Grandidier.].
1383: 718: 449: 325: 3181:(Special Issue). XXII Congress of the International Primatological Society: 222–223. Archived from 683: 583: 492: 340: 3091: 3813: 2211: 1862: 390: 4226: 3264: 2048: 920:
accounted for 34%, and seed predation made up 11%. The consumption of flowers, as well as soil (
4031: 3831: 3683: 3638: 642: 417: 336: 2586:) diet, feeding ecology, and habitat use in Marojejy National Park, Madagascar (Abstract #143) 1571: 4236: 4221: 4213: 3945: 3867: 3849: 3795: 1320: 1292:, has become one of the greatest threats to the silky sifaka's habitat, especially since the 1266: 1250: 1231: 818:
are estimated to range from 34 to 47 ha (84 to 116 acres), varying in size by location.
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In 1974, Tattersall spotted what he thought was a color variant of the silky sifaka north of
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A comparison of scent overmarking in two species of wild rainforest sifakas: silky sifakas (
2371:]. Sciences Biologiques (in French). Recherches Pour le Développement. pp. 279–286. 1146:) and other small birds. Another, more general alarm call is the loud, sneeze-like "zzuss" 564:
in 2006. Although Groves maintained the silky sifaka as a subspecies in the 3rd edition of
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in 2005, he recognized it as a distinct species in 2007 by acknowledging the work of Mayor
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Guillaumet, J. L.; Betsch, J. M.; Blanc, C.; Morat, P.; Peyrieras, A.; Paulian, R (1975).
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de Madagascar. Extrait d'une Lettre adressée à M. Milne Edwards, par M. Alf. Grandidier"
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primates. Like other eastern rainforest sifakas, it has several specialized glands for
2249: 1854: 1793: 1732: 1669: 1265:) and fuel-wood, also occurs within the protected areas where it is found. Unlike the 1170: 1139: 789: 453: 398: 238: 86: 3042:"The existence and potential function of "totem-tree" scent-marking in silky sifakas ( 2475: 1903: 1901: 1899: 1897: 1895: 1347: 4208: 4091: 3675: 3612: 3593: 3576: 3566: 3536: 3526: 3496: 3473: 3432: 3426: 3413: 3403: 3367: 3345: 3326: 3319: 2430: 2167: 2038: 1893: 1891: 1889: 1887: 1885: 1883: 1881: 1879: 1877: 1875: 1452: 1316: 1301: 1120: 830: 671: 574:
and also noting the additional distinction that the silky sifaka has relatively long
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Schwarz, E. (1931). "A revision of the genera and species of Madagascar Lemuridae".
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Carte Blanche news program featuring the silky sifaka and illegal rosewood logging
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Schwarz placed all sifakas into two species, the larger diademed sifaka from the
382: 304: 222: 4174: 2269:"Rapid census of lemur populations in the Parc National de Marojejy, Madagascar" 1603:
Milne-Edwards, A.; Grandidier, A. (1872). "Description d'une nouvelle espèce de
3995: 3512: 1767: 1254: 1131: 861: 807: 647: 510: 354: 3649: 1718: 1509:"Exploring the function of "Zzuss" alarm vocalizations in wild silky sifakas ( 4255: 4156: 4054: 3743: 3580: 3500: 3389: 2171: 1636: 1634: 1356: 1202: 1166: 900: 679: 575: 288:. It is one of the rarest mammals on Earth. The silky sifaka is one of nine 153: 59: 3540: 3417: 1482: 1130:
The only documented predator of the silky sifaka, other than humans, is the
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According to the most recent IUCN Red List assessment, the silky sifaka is
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had become a taxonomic synonym for the species, with the original name,
4122: 2426: 2245: 1788: 1771: 1309: 1222: 1186: 1135: 1072: 885: 850: 815: 539: 496: 420:. Grandidier's description was based on his own observations north of 300: 279: 3151: 2825: 2778: 2731: 2643: 1727: 1448: 412:
The silky sifaka was initially described in 1871 by French naturalist
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in northeast Madagascar. Describing it as such eight years later in
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Primates in Peril: The World's 25 Most Endangered Primates 2008–2010
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Silky sifakas and other lemur species are hunted within their range.
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spp. In sum, folivory accounted for 52% of the feeding time, while
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Comptes rendus hebdomadaires des séances de l'Académie des sciences
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Silky sifaka documentary on Erik Patel's research in Marojejy N.P.
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Tattersall, I. (1982). "The Living Species of Malagasy Primates".
2806:"Quantifying the vocal repertoire of wild adult diademed sifakas ( 2804:
Patel, E. R.; Anderson, J. D.; Irwin, M. T.; Owren, M. J. (2005).
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Mammal Species of the World: A Taxonomic and Geographic Reference
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of the west and south. At the time, both species comprised four
437: 143: 4109: 3660: 2759:"Assessing production specificity of free ranging silky sifaka ( 1772:"Madagascar's lemurs: Cryptic diversity or taxonomic inflation?" 868:. Its favorites included primarily tree species, but also some 4078: 3882: 3731: 3719: 3547: 2757:
Patel, E. R.; Coke, C. S.; Ritchie, A.; Santorelli, C. (2003).
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Patel, E. R.; Coke, C. S.; Ritchie, A.; Santorelli, C. (2003).
2393: 2063: 2061: 1907: 1415: 1115: 543: 289: 173: 133: 113: 3643: 2292:"Lemurs of the Reserve Special d'Anjanaharibe-Sud, Madagascar" 1936: 1934: 1932: 1106:
Although arboreal, silky sifakas sometimes play on the ground.
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Harcourt, C. (1990). "Introduction". In Thornback, J. (ed.).
2628:) in a primary northeastern montane rainforest in Madagascar" 2465: 2463: 2461: 2459: 2457: 2455: 2453: 2451: 1289: 869: 726: 713:
In the Anjanaharibe-Sud Special Reserve, the silky sifaka is
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Silky sifaka expert from Madagascar receives Seacology Prize
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Lemurs of Madagascar and the Comoros: The IUCN Red Data Book
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Andrianandrasana, L. H.; Patel, E. R.; Wright, P.C. (2007).
2914: 2501:"Activity budget, ranging, and group size in silky sifakas ( 2230: 2058: 814:. Group sizes range from two to nine individuals, while the 444:, and skull. Upon those findings, they changed the name to 3646:- Documentary Film about Silky Sifakas and Rosewood Logging 3016: 2902:. National Primate Research Center, University of Wisconsin 1929: 1825: 424:
in the last few months of 1870. He then named the species
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The name "sifaka" is a reference to a common general alarm
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Wildlife photographer Kevin Schafer's silky sifaka photos
780: 503:, a subspecies of the diademed sifaka. In his 1982 book 477:
L'Histoire politique, physique et naturelle de Madagascar
475:
Color print of the silky sifaka from Alfred Grandidier's
441: 275: 2375: 2082:"Les populations reliques de primates: les Propithèques" 3486: 2803: 1640: 1602: 397:, is Latin for "white", while the specific name of the 3705: 3243: 872:. The most prominent plant families in the diet were 658:
may represent the northwestern range limit within the
3244:
Patel, E. R.; Marshall, J. J.; Parathian, H. (2005).
3088:
World Heritage Nomination — IUCN Technical Evaluation
2321: 1154:
structure differs between individuals and by gender.
3250:) conservation education in Northeastern Madagascar" 3010: 1804: 1513:): moderate evidence for individual distinctiveness" 1507:
Patel, E. R.; Anderson, J. D.; Owren, M. J. (2006).
1193:, the silky sifaka does not directly scent-mark its 662:. The southern limit of its range appears to be the 428:
due to its white color, which he likened to that of
3515:; Konstant, W.R.; Meyers, D.M.; Mast, R.B. (1994). 2710:Patel, E. R.; Anderson, J. D.; Owren, M.J. (2005). 1551: 1539: 1300:take root, impairs habitat, and causes the loss of 416:in a formally published letter to French zoologist 3489:Histoire naturelle des mammifères, Tome 1, Texte i 3318: 2935: 2709: 2112: 2110: 1506: 1277:) against eating this species, and the hunting of 1089:Silky sifakas are known to occasionally eat soil ( 3072: 2541:"Non-maternal infant care in wild Silky sifakas ( 2405: 2160:Mémoires de l'Institut Scientifique de Madagascar 2084:[Relic populations of primates: sifakas] 1762: 1760: 1596: 613:and identified it as a new species, named as the 513:upheld this classification. When anthropologist 278:. It has a very restricted range in northeastern 4253: 3125:spp.) within Marojejy National Park, Madagascar" 2266: 2226: 2224: 2203:Bulletin du Muséum National d'Histoire Naturelle 594:, claiming the decisions were made prematurely. 3487:Milne-Edwards, A. & Grandidier, A. (1875). 2406:Lehman, S. M.; Mayor, M.; Wright, P.C. (2005). 2107: 2079: 1658:Proceedings of the Zoological Society of London 1165:(smell-based) communication, as with all other 624: 3493:The natural history of mammals, Book 1, Part i 3287:. Marojejy National Park. 2007. Archived from 3282:"The Lemurs of Marojejy and Anjananharibe-Sud" 2574: 2572: 2322:Patel, E. R.; Andrianandrasana, L. H. (2008). 2185: 1757: 1651: 1649: 3691: 3114: 3112: 2973: 2971: 2931: 2929: 2534: 2532: 2494: 2492: 2490: 2289: 2221: 2019: 2017: 2015: 2013: 2011: 2009: 2007: 2005: 2003: 2001: 1999: 1997: 1995: 1993: 1991: 1989: 1987: 1985: 1983: 1981: 1979: 1977: 1975: 1973: 1971: 1969: 1689: 1687: 1685: 1683: 1681: 1679: 1563: 1472: 1470: 1468: 1466: 1177:on the chest, found only in males, and mixed 1110:Like all other lemurs, the silky sifaka is a 3321:Dictionary of Word Roots and Combining Forms 3274: 3165: 3039: 2578: 2317: 2315: 2313: 2311: 2309: 2260: 1967: 1965: 1963: 1961: 1959: 1957: 1955: 1953: 1951: 1949: 1821: 1819: 1696:"Craniodental characters in the taxonomy of 1693: 1426: 1424: 1288:of precious hardwoods, such as rosewood and 343:. A few groups have also been found in the 4262:IUCN Red List critically endangered species 3561:. Illustrated by S.D. Nash (2nd ed.). 3521:. Illustrated by S.D. Nash (1st ed.). 3206: 3159: 3033: 2569: 2356: 2143: 1646: 1502: 1500: 788:large brown patch of fur that results from 487:and the smaller Verreaux's sifaka from the 404:is derived from the Greek word for "silk". 3698: 3684: 3606: 3237: 3200: 3121:"Logging of rare rosewood and palisandre ( 3109: 2968: 2926: 2850: 2797: 2750: 2703: 2582:A preliminary study of wild silky sifaka ( 2529: 2487: 2399: 2283: 2067: 1766: 1676: 1569: 1463: 221: 48: 29: 3587: 3466:)". In Gould, L.; Sauther, M. L. (eds.). 3150: 3140: 3129:Madagascar Conservation & Development 2920: 2844: 2662: 2615: 2415:American Journal of Physical Anthropology 2306: 2134: 2123:Madagascar Conservation & Development 2073: 1946: 1816: 1787: 1726: 1421: 1345: 4297:Species endangered by logging for timber 3424: 3209:"Preliminary study of the silky sifaka ( 2936:Patel, E. R.; Girard-Buttoz, C. (2008). 2883: 1940: 1611:)" [Description of a new species of 1497: 1431:Simons, E. L. (1988). "A new species of 1221: 1096: 1079: 820: 706:, and the most elevated portions of low 470: 4302:Species endangered by selective logging 3650:Dan Rather Reports Marojejy Documentary 3342:Mammals of Madagascar, A Complete Guide 3339: 2469: 2149: 1655: 1435:(Primates) from northeast Madagascar". 1021:Sound made when an individual gets lost 4254: 3380: 3358: 3316: 2980:"Scent-marking in wild silky sifakas ( 2892:"Primate Factsheets: Diademed sifaka ( 1919: 1810: 1557: 1545: 1430: 1341: 1339: 1337: 1335: 4282:Critically endangered fauna of Africa 4030: 4029: 3679: 3445: 3118: 2977: 2668: 2538: 2498: 2381: 2080:Wilmé, L.; Callmander, M. W. (2006). 2023: 1694:Groves, C. P.; Helgen, K. M. (2007). 1479:"Adult Silky Sifaka Vocal Repertoire" 1161:The silky sifaka uses well-developed 979:Roar given in response to large birds 741:) near Maherivaratra and Andaparaty. 534:showed that despite having a similar 499:, and the silky sifaka was listed as 324:for communication. Males frequently 251:Milne-Edwards and A. Grandidier, 1872 4292:Species endangered by slash-and-burn 3644:Trouble in Lemur Land by Earth Touch 3078: 3050:International Journal of Primatology 2988:International Journal of Primatology 2947:International Primatological Society 2889: 2862:International Primatological Society 2594:International Primatological Society 2234:International Journal of Primatology 1839:International Journal of Primatology 1707:International Journal of Primatology 1517:International Journal of Primatology 1376: 1261:), logging of precious woods (e.g., 812:multiple-male/multiple-female groups 274:characterized by long, silky, white 2851:Owren, M. J.; Patel, E. R. (2008). 2267:Sterling, E.; McFadden, K. (2000). 1641:Milne-Edwards & Grandidier 1875 1357:IUCN Red List of Threatened Species 1332: 904:spp., 6.52% on the young leaves of 282:, where it is known locally as the 13: 3166:Nielson, M.; Patel, E. R. (2008). 3040:Ritchie, A.; Patel, E. R. (2006). 2579:Queslin, E.; Patel, E. R. (2008). 1851:10.1023/B:IJOP.0000029127.31190.e9 1670:10.1111/j.1096-3642.1931.tb01020.x 1071:Problems playing these files? See 929: 517:reviewed the taxonomy in his book 14: 4318: 3627: 3366:. Smithsonian Institution Press. 3207:Kelley, E.; Mayor, M. I. (2002). 1476: 725:) and an all-black population of 363:illegal logging of precious woods 3859:Ramanantsoavana's woolly lemur ( 2290:Schmid, J.; Smolker, R. (1998). 1053: 1032: 1011: 990: 969: 948: 764: 753: 715:shares the same geographic range 684:Anjanaharibe-Sud Special Reserve 341:Anjanaharibe-Sud Special Reserve 90: 4307:Taxa named by Alfred Grandidier 3590:The Study of Prosimian Behavior 3551:; Konstant, W.R.; Hawkins, F.; 3325:. Mayfield Publishing Company. 2814:American Journal of Primatology 2767:American Journal of Primatology 2720:American Journal of Primatology 2632:American Journal of Primatology 1217: 524:the populations were distinct. 3469:Lemurs: Ecology and Adaptation 3400:Johns Hopkins University Press 3309: 3056:(Suppl 1): 504. Archived from 3023:) and Milne-Edwards' sifakas ( 2994:(Suppl 1): 496. Archived from 2324:"Low elevation silky sifakas ( 1523:(Suppl 1): 504. Archived from 1294:2009 Malagasy political crisis 744: 538:(the number and appearance of 16:A large lemur from Madagascar 1: 3634:Lemur Conservation Foundation 3611:. Columbia University Press. 3257:Laboratory Primate Newsletter 2716:) of Northeastern Madagascar" 1326: 1247:Rainforests of the Atsinanana 843:vertical clinging and leaping 501:P. diadema candidus 3431:. World Conservation Union. 3392:; Reeder, D. M (eds.). 3344:. A&C Black Publishers. 3211:Propithecus diadema candidus 2761:Propithecus diadema candidus 2626:Propithecus diadema candidus 2210:(309): 29–67. Archived from 1924:Propithecus diadema candidus 1621:Revue et Magasin de Zoologie 1384:"Checklist of CITES Species" 1273:), there is no local taboo ( 1063:Another type of contact call 910:, and 6.02% on the fruit of 688:Makira Forest Protected Area 625:Geographic range and habitat 372: 345:Makira Forest Protected Area 7: 4272:Endemic fauna of Madagascar 3213:) in north-east Madagascar" 2808:Propithecus diadema diadema 1203:urinate while scent-marking 796: 567:Mammal Species of the World 407: 10: 4323: 3841:Peyrieras's woolly lemur ( 3609:The Primates of Madagascar 3563:Conservation International 3523:Conservation International 1255:slash-and-burn agriculture 1185:in both sexes. Unlike the 958:General purpose alarm call 939:Silky sifaka vocalizations 603:The Primates of Madagascar 355:slash-and-burn agriculture 299:), and one of four former 4287:Mammals described in 1871 4038: 4012: 3958: 3899: 3880: 3776: 3752: 3714: 3706:Extant species of family 3263:(3): 8–11. Archived from 2671:"Silky sifaka predation ( 1776:Evolutionary Anthropology 1719:10.1007/s10764-007-9226-5 1481:. SIMPONA. Archived from 1181:-sebaceous glands on the 965:"Aerial disturbance" roar 719:white-fronted brown lemur 244: 237: 229: 220: 202: 195: 87:Scientific classification 85: 68: 46: 37: 28: 23: 3928:Milne-Edwards's sifaka ( 3832:Sambirano woolly lemur ( 1237:The silky sifaka is the 898:, 8.43% on the seeds of 668:Makira Conservation Site 3946:Golden-crowned sifaka ( 3868:Betsileo woolly lemur ( 3850:Southern woolly lemur ( 3796:Bemaraha woolly lemur ( 3639:Recent Research Article 3226:: 16–18. Archived from 2692:: 25–27. Archived from 2558:: 39–42. Archived from 2518:: 42–45. Archived from 2482:Mittermeier et al. 1994 2394:Mittermeier et al. 2006 2345:: 18–22. Archived from 2096:: 24–31. Archived from 1908:Mittermeier et al. 2006 1570:Grandidier, A. (1871). 1416:Mittermeier et al. 2006 1271:Propithecus tattersalli 619:Propithecus tattersalli 609:captured specimens for 3823:Western woolly lemur ( 3814:Moore's woolly lemur ( 3805:Eastern woolly lemur ( 3555:; et al. (2006). 3317:Borror, D. J. (1960). 3142:10.4314/mcd.v2i1.44124 2136:10.4314/mcd.v2i1.44126 1572:"Observations sur les 1227: 1107: 1094: 934: 826: 643:Marojejy National Park 506:Primates of Madagascar 480: 418:Alphonse Milne-Edwards 337:Marojejy National Park 4277:Mammals of Madagascar 4222:Paleobiology Database 3119:Patel, E. R. (2007). 3029:. Prosimian Congress. 2978:Patel, E. R. (2006). 2669:Patel, E. R. (2005). 2539:Patel, E. R. (2007). 2499:Patel, E. R. (2006). 2024:Patel, E. R. (2009). 1578:[Observations on 1321:Masoala National Park 1267:golden-crowned sifaka 1245:cluster known as the 1232:critically endangered 1225: 1114:, and are thought to 1105: 1088: 933: 847:Dominance hierarchies 824: 704:sclerophyllous forest 615:golden-crowned sifaka 584:Milne-Edwards' sifaka 474: 434:Propithecus verreauxi 55:Critically Endangered 4084:propithecus-candidus 4070:Propithecus candidus 4040:Propithecus candidus 3558:Lemurs of Madagascar 3518:Lemurs of Madagascar 3448:Propithecus candidus 3340:Garbutt, N. (2007). 3248:Propithecus candidus 3044:Propithecus candidus 3025:Propithecus edwardsi 3021:Propithecus candidus 2982:Propithecus candidus 2890:Gron, K. J. (2008). 2714:Propithecus candidus 2673:Propithecus candidus 2584:Propithecus candidus 2543:Propithecus candidus 2503:Propithecus candidus 2326:Propithecus candidus 2150:Humbert, H. (1955). 1828:"Specific status of 1617:Propithecus sericeus 1609:Propithecus sericeus 1511:Propithecus candidus 1364:: e.T18360A115573359 1350:Propithecus candidus 944:"Zzuss" vocalization 907:Plectaneia thouarsii 895:Pachytrophe dimepate 664:Antainambalana River 660:Tsaratanana Corridor 633:in the south to the 588:Propithecus edwardsi 561:Lemurs of Madagascar 552:Propithecus perrieri 462:Propithecus candidus 426:Propithecus candidus 267:Propithecus candidus 206:Propithecus candidus 3978:Coquerel's sifaka ( 3969:Verreaux's sifaka ( 2923:, pp. 461–542. 2894:Propithecus diadema 2484:, pp. 249–250. 2472:, pp. 187–189. 2396:, pp. 431–455. 2384:, pp. 305–326. 1943:, pp. 204–205. 1910:, pp. 383–387. 1643:, pp. 300–302. 1623:. 2nd (in French). 1437:Folia Primatologica 1418:, pp. 341–344. 1251:Habitat disturbance 1243:World Heritage Site 839:arboreal locomotion 556:Russell Mittermeier 485:eastern rainforests 40:Conservation status 3937:Perrier's sifaka ( 3861:A. ramanantsoavani 3592:. Academic Press. 3390:Wilson, D. E. 3382:Groves, C. P. 3097:on 26 October 2012 2773:(Suppl 1): 71–72. 2726:(Suppl 1): 46–47. 2677:Cryptoprocta ferox 2427:10.1002/ajpa.10428 2246:10.1007/BF02735803 2070:, pp. 99–101. 1789:10.1002/evan.20126 1346:Patel, E. (2020). 1317:wildlife corridors 1257:(known locally as 1228: 1144:Buteo brachypterus 1140:Madagascar buzzard 1136:cat-like carnivore 1108: 1095: 1049:"Mum" vocalization 1028:"Hum" vocalization 935: 827: 700:montane rainforest 692:Betaolana Corridor 481: 4247: 4246: 4209:Open Tree of Life 4032:Taxon identifiers 4023: 4022: 4008: 4007: 3987:Decken's sifaka ( 3910:Diademed sifaka ( 3893: 3789: 3549:Mittermeier, R.A. 3509:Mittermeier, R.A. 3479:978-0-387-34585-7 3438:978-2-88032-957-0 3409:978-0-8018-8221-0 3373:978-1-56098-872-4 3351:978-0-300-12550-4 3332:978-0-87484-053-7 2826:10.1002/ajp.20150 2779:10.1002/ajp.10085 2732:10.1002/ajp.20150 2644:10.1002/ajp.10086 2296:Fieldiana Zoology 2273:Fieldiana Zoology 2044:978-1-934151-34-1 2026:Mittermeier, R.A. 1449:10.1159/000156340 1302:genetic diversity 1121:alloparental care 1103: 1086: 1058: 1037: 1016: 1000:Submissive signal 995: 974: 953: 831:personal grooming 804:male-female pairs 723:Eulemur albifrons 672:Masoala Peninsula 509:, anthropologist 446:P. sericeus. 430:Verreaux's sifaka 414:Alfred Grandidier 399:taxonomic synonym 258: 257: 252: 80: 63: 4314: 4240: 4239: 4230: 4229: 4217: 4216: 4204: 4203: 4191: 4190: 4178: 4177: 4165: 4164: 4152: 4151: 4139: 4138: 4126: 4125: 4113: 4112: 4100: 4099: 4087: 4086: 4074: 4073: 4072: 4059: 4058: 4057: 4027: 4026: 3996:Crowned sifaka ( 3897: 3896: 3892: 3891: 3887: 3788: 3787: 3783: 3700: 3693: 3686: 3677: 3676: 3622: 3603: 3584: 3544: 3504: 3483: 3442: 3421: 3398:(3rd ed.). 3386:"Order Primates" 3377: 3364:Primate Taxonomy 3355: 3336: 3324: 3304: 3303: 3301: 3299: 3293: 3286: 3278: 3272: 3271: 3269: 3254: 3241: 3235: 3234: 3232: 3217: 3204: 3198: 3197: 3195: 3193: 3187: 3172: 3163: 3157: 3156: 3154: 3144: 3116: 3107: 3106: 3104: 3102: 3096: 3090:. Archived from 3085: 3076: 3070: 3069: 3067: 3065: 3037: 3031: 3030: 3014: 3008: 3007: 3005: 3003: 2975: 2966: 2965: 2963: 2961: 2955: 2949:. Archived from 2944: 2933: 2924: 2918: 2912: 2911: 2909: 2907: 2900:Primate Info Net 2887: 2881: 2880: 2878: 2876: 2870: 2864:. Archived from 2859: 2848: 2842: 2841: 2839: 2837: 2828:. Archived from 2810:) in Madagascar" 2801: 2795: 2794: 2792: 2790: 2781:. Archived from 2754: 2748: 2747: 2745: 2743: 2734:. Archived from 2707: 2701: 2700: 2698: 2683: 2666: 2660: 2659: 2657: 2655: 2646:. Archived from 2619: 2613: 2612: 2610: 2608: 2602: 2596:. Archived from 2591: 2576: 2567: 2566: 2564: 2549: 2536: 2527: 2526: 2524: 2509: 2496: 2485: 2479: 2473: 2467: 2446: 2445: 2443: 2437:. Archived from 2412: 2403: 2397: 2391: 2385: 2379: 2373: 2372: 2360: 2354: 2353: 2351: 2336: 2319: 2304: 2303: 2287: 2281: 2280: 2264: 2258: 2257: 2228: 2219: 2218: 2216: 2199: 2189: 2183: 2182: 2180: 2174:. Archived from 2157: 2147: 2141: 2140: 2138: 2114: 2105: 2104: 2102: 2087: 2077: 2071: 2065: 2056: 2055: 2053: 2047:. Archived from 2036: 2021: 1944: 1938: 1927: 1917: 1911: 1905: 1870: 1869: 1867: 1861:. Archived from 1836: 1823: 1814: 1808: 1802: 1801: 1791: 1764: 1755: 1754: 1752: 1751: 1745: 1739:. Archived from 1730: 1713:(6): 1363–1383. 1704: 1691: 1674: 1673: 1653: 1644: 1638: 1629: 1628: 1600: 1594: 1593: 1567: 1561: 1555: 1549: 1543: 1537: 1536: 1534: 1532: 1504: 1495: 1494: 1492: 1490: 1485:on 15 April 2013 1474: 1461: 1460: 1443:(1–2): 143–151. 1428: 1419: 1413: 1400: 1399: 1397: 1395: 1380: 1374: 1373: 1371: 1369: 1343: 1298:invasive species 1239:flagship species 1112:seasonal breeder 1104: 1087: 1060: 1059: 1039: 1038: 1018: 1017: 997: 996: 976: 975: 955: 954: 932: 779:its long, white 768: 757: 735:red ruffed lemur 656:Androranga River 611:captive breeding 548:Perrier's sifaka 520:Primate Taxonomy 458:P. sericeus 317:seasonal breeder 250: 230:Distribution of 225: 208: 188:P. candidus 95: 94: 74: 57: 52: 51: 33: 21: 20: 4322: 4321: 4317: 4316: 4315: 4313: 4312: 4311: 4252: 4251: 4248: 4243: 4235: 4233: 4225: 4220: 4212: 4207: 4199: 4196:Observation.org 4194: 4186: 4181: 4173: 4168: 4160: 4155: 4147: 4142: 4134: 4129: 4121: 4116: 4108: 4103: 4095: 4090: 4082: 4077: 4068: 4067: 4062: 4053: 4052: 4047: 4034: 4024: 4019: 4004: 3954: 3889: 3888: 3886: 3876: 3852:A. meridionalis 3825:A. occidentalis 3786:(woolly lemurs) 3785: 3784: 3782: 3772: 3748: 3710: 3704: 3630: 3625: 3619: 3600: 3573: 3533: 3480: 3439: 3410: 3402:. p. 120. 3374: 3352: 3333: 3312: 3307: 3297: 3295: 3294:on 14 July 2011 3291: 3284: 3280: 3279: 3275: 3267: 3252: 3246:"Silky Sifaka ( 3242: 3238: 3230: 3215: 3205: 3201: 3191: 3189: 3188:on 23 July 2011 3185: 3170: 3164: 3160: 3117: 3110: 3100: 3098: 3094: 3083: 3077: 3073: 3063: 3061: 3038: 3034: 3015: 3011: 3001: 2999: 2976: 2969: 2959: 2957: 2956:on 23 July 2011 2953: 2942: 2934: 2927: 2919: 2915: 2905: 2903: 2888: 2884: 2874: 2872: 2871:on 23 July 2011 2868: 2857: 2849: 2845: 2835: 2833: 2832:on 18 July 2011 2820:(Suppl 1): 48. 2802: 2798: 2788: 2786: 2785:on 18 July 2011 2755: 2751: 2741: 2739: 2738:on 18 July 2011 2708: 2704: 2696: 2681: 2667: 2663: 2653: 2651: 2650:on 18 July 2011 2638:(Suppl 1): 71. 2620: 2616: 2606: 2604: 2603:on 23 July 2011 2600: 2589: 2577: 2570: 2562: 2547: 2537: 2530: 2522: 2507: 2497: 2488: 2480: 2476: 2468: 2449: 2441: 2410: 2404: 2400: 2392: 2388: 2380: 2376: 2361: 2357: 2349: 2334: 2320: 2307: 2288: 2284: 2265: 2261: 2229: 2222: 2214: 2197: 2190: 2186: 2178: 2155: 2148: 2144: 2115: 2108: 2100: 2085: 2078: 2074: 2068:Tattersall 1982 2066: 2059: 2051: 2045: 2034: 2022: 1947: 1939: 1930: 1918: 1914: 1906: 1873: 1865: 1834: 1824: 1817: 1809: 1805: 1765: 1758: 1749: 1747: 1743: 1702: 1692: 1677: 1654: 1647: 1639: 1632: 1601: 1597: 1568: 1564: 1556: 1552: 1544: 1540: 1530: 1528: 1505: 1498: 1488: 1486: 1475: 1464: 1429: 1422: 1414: 1403: 1393: 1391: 1382: 1381: 1377: 1367: 1365: 1344: 1333: 1329: 1286:Illegal logging 1220: 1175:sebaceous gland 1125:sexual maturity 1097: 1080: 1078: 1077: 1069: 1067: 1066: 1065: 1064: 1061: 1054: 1051: 1045: 1044: 1043: 1040: 1033: 1030: 1024: 1023: 1022: 1019: 1012: 1009: 1003: 1002: 1001: 998: 991: 988: 982: 981: 980: 977: 970: 967: 961: 960: 959: 956: 949: 946: 940: 936: 930: 835:social grooming 808:one-male groups 799: 776: 775: 774: 773: 772: 769: 760: 759: 758: 747: 639:Marojejy Massif 627: 607:Elwyn L. Simons 580:P. diadema 410: 383:diademed sifaka 375: 309:P. diadema 305:diademed sifaka 216: 210: 204: 191: 89: 81: 64: 53: 49: 42: 17: 12: 11: 5: 4320: 4310: 4309: 4304: 4299: 4294: 4289: 4284: 4279: 4274: 4269: 4264: 4245: 4244: 4242: 4241: 4231: 4218: 4205: 4192: 4179: 4166: 4153: 4140: 4127: 4114: 4101: 4088: 4075: 4060: 4044: 4042: 4036: 4035: 4021: 4020: 4013: 4010: 4009: 4006: 4005: 4003: 4002: 3993: 3984: 3975: 3965: 3963: 3956: 3955: 3953: 3952: 3948:P. tattersalli 3943: 3934: 3925: 3919:Silky sifaka ( 3916: 3906: 3904: 3894: 3878: 3877: 3875: 3874: 3865: 3856: 3847: 3838: 3829: 3820: 3811: 3802: 3792: 3790: 3774: 3773: 3771: 3770: 3760: 3758: 3750: 3749: 3747: 3746: 3740: 3734: 3728: 3722: 3715: 3712: 3711: 3703: 3702: 3695: 3688: 3680: 3674: 3673: 3668: 3663: 3658: 3653: 3647: 3641: 3636: 3629: 3628:External links 3626: 3624: 3623: 3617: 3604: 3598: 3585: 3571: 3545: 3531: 3513:Tattersall, I. 3505: 3484: 3478: 3464:P. tattersalli 3443: 3437: 3422: 3408: 3378: 3372: 3356: 3350: 3337: 3331: 3313: 3311: 3308: 3306: 3305: 3273: 3270:on 2011-07-28. 3236: 3233:on 2011-07-23. 3199: 3158: 3108: 3071: 3060:on 25 May 2024 3032: 3009: 2998:on 25 May 2024 2967: 2925: 2921:Schilling 1979 2913: 2882: 2843: 2796: 2749: 2702: 2699:on 2011-07-23. 2675:) by a fossa ( 2661: 2614: 2568: 2565:on 2011-07-23. 2528: 2525:on 2011-07-23. 2486: 2474: 2447: 2444:on 2011-07-20. 2421:(3): 318–328. 2398: 2386: 2374: 2355: 2352:on 2011-07-23. 2305: 2298:. New Series. 2282: 2275:. New Series. 2259: 2240:(3): 545–559. 2220: 2217:on 2012-03-26. 2184: 2181:on 2012-03-26. 2142: 2106: 2103:on 2011-07-23. 2072: 2057: 2054:on 2011-07-23. 2043: 1945: 1928: 1912: 1871: 1868:on 2011-07-14. 1845:(4): 875–900. 1815: 1803: 1768:Tattersall, I. 1756: 1675: 1664:(2): 399–428. 1645: 1630: 1595: 1562: 1550: 1538: 1527:on 25 May 2024 1496: 1462: 1420: 1401: 1375: 1330: 1328: 1325: 1219: 1216: 1173:, including a 1068: 1062: 1052: 1047: 1046: 1041: 1031: 1026: 1025: 1020: 1010: 1005: 1004: 999: 989: 986:Chatter squeal 984: 983: 978: 968: 963: 962: 957: 947: 942: 941: 938: 937: 928: 927: 926: 862:seed predation 798: 795: 770: 763: 762: 761: 752: 751: 750: 749: 748: 746: 743: 648:Bemarivo River 641:in the north. 626: 623: 511:Ian Tattersall 454:lemur taxonomy 409: 406: 374: 371: 365:(particularly 256: 255: 254: 253: 242: 241: 235: 234: 227: 226: 218: 217: 211: 200: 199: 193: 192: 185: 183: 179: 178: 171: 167: 166: 161: 157: 156: 151: 147: 146: 141: 137: 136: 131: 127: 126: 121: 117: 116: 111: 107: 106: 101: 97: 96: 83: 82: 69: 66: 65: 47: 44: 43: 38: 35: 34: 26: 25: 15: 9: 6: 4: 3: 2: 4319: 4308: 4305: 4303: 4300: 4298: 4295: 4293: 4290: 4288: 4285: 4283: 4280: 4278: 4275: 4273: 4270: 4268: 4265: 4263: 4260: 4259: 4257: 4250: 4238: 4232: 4228: 4223: 4219: 4215: 4210: 4206: 4202: 4197: 4193: 4189: 4184: 4180: 4176: 4171: 4167: 4163: 4158: 4154: 4150: 4145: 4141: 4137: 4132: 4128: 4124: 4119: 4115: 4111: 4106: 4102: 4098: 4093: 4089: 4085: 4080: 4076: 4071: 4065: 4061: 4056: 4050: 4046: 4045: 4043: 4041: 4037: 4033: 4028: 4018: 4017: 4011: 4001: 3999: 3994: 3992: 3990: 3985: 3983: 3981: 3976: 3974: 3972: 3967: 3966: 3964: 3961: 3957: 3951: 3949: 3944: 3942: 3940: 3935: 3933: 3931: 3926: 3924: 3922: 3917: 3915: 3913: 3908: 3907: 3905: 3902: 3898: 3895: 3885: 3884: 3879: 3873: 3871: 3866: 3864: 3862: 3857: 3855: 3853: 3848: 3846: 3844: 3843:A. peyrierasi 3839: 3837: 3835: 3830: 3828: 3826: 3821: 3819: 3817: 3812: 3810: 3808: 3803: 3801: 3799: 3794: 3793: 3791: 3781: 3780: 3775: 3769: 3767: 3762: 3761: 3759: 3757: 3756: 3751: 3745: 3741: 3739: 3735: 3733: 3729: 3727: 3723: 3721: 3717: 3716: 3713: 3709: 3701: 3696: 3694: 3689: 3687: 3682: 3681: 3678: 3672: 3669: 3667: 3664: 3662: 3659: 3657: 3654: 3651: 3648: 3645: 3642: 3640: 3637: 3635: 3632: 3631: 3620: 3618:0-231-04704-5 3614: 3610: 3605: 3601: 3599:0-12-222150-8 3595: 3591: 3586: 3582: 3578: 3574: 3572:1-881173-88-7 3568: 3564: 3560: 3559: 3554: 3550: 3546: 3542: 3538: 3534: 3532:1-881173-08-9 3528: 3524: 3520: 3519: 3514: 3510: 3506: 3502: 3498: 3494: 3490: 3485: 3481: 3475: 3471: 3470: 3465: 3461: 3457: 3453: 3449: 3444: 3440: 3434: 3430: 3429: 3423: 3419: 3415: 3411: 3405: 3401: 3397: 3396: 3391: 3387: 3383: 3379: 3375: 3369: 3365: 3361: 3360:Groves, C. P. 3357: 3353: 3347: 3343: 3338: 3334: 3328: 3323: 3322: 3315: 3314: 3290: 3283: 3277: 3266: 3262: 3258: 3251: 3249: 3240: 3229: 3225: 3221: 3214: 3212: 3203: 3184: 3180: 3176: 3169: 3162: 3153: 3148: 3143: 3138: 3134: 3130: 3126: 3124: 3115: 3113: 3093: 3089: 3082: 3079:IUCN (2007). 3075: 3059: 3055: 3051: 3047: 3045: 3036: 3028: 3024: 3020: 3013: 2997: 2993: 2989: 2985: 2983: 2974: 2972: 2952: 2948: 2941: 2940: 2932: 2930: 2922: 2917: 2901: 2897: 2895: 2886: 2867: 2863: 2856: 2855: 2847: 2831: 2827: 2823: 2819: 2815: 2811: 2809: 2800: 2784: 2780: 2776: 2772: 2768: 2764: 2762: 2753: 2737: 2733: 2729: 2725: 2721: 2717: 2715: 2706: 2695: 2691: 2687: 2680: 2678: 2674: 2665: 2649: 2645: 2641: 2637: 2633: 2629: 2627: 2618: 2599: 2595: 2588: 2587: 2583: 2575: 2573: 2561: 2557: 2553: 2546: 2544: 2535: 2533: 2521: 2517: 2513: 2506: 2504: 2495: 2493: 2491: 2483: 2478: 2471: 2466: 2464: 2462: 2460: 2458: 2456: 2454: 2452: 2440: 2436: 2432: 2428: 2424: 2420: 2416: 2409: 2402: 2395: 2390: 2383: 2378: 2370: 2366: 2359: 2348: 2344: 2340: 2333: 2331: 2330:Varecia rubra 2327: 2318: 2316: 2314: 2312: 2310: 2301: 2297: 2293: 2286: 2278: 2274: 2270: 2263: 2255: 2251: 2247: 2243: 2239: 2235: 2227: 2225: 2213: 2209: 2206:(in French). 2205: 2204: 2195: 2188: 2177: 2173: 2169: 2165: 2162:(in French). 2161: 2153: 2146: 2137: 2132: 2128: 2125:(in French). 2124: 2120: 2113: 2111: 2099: 2095: 2092:(in French). 2091: 2083: 2076: 2069: 2064: 2062: 2050: 2046: 2040: 2033: 2032: 2027: 2020: 2018: 2016: 2014: 2012: 2010: 2008: 2006: 2004: 2002: 2000: 1998: 1996: 1994: 1992: 1990: 1988: 1986: 1984: 1982: 1980: 1978: 1976: 1974: 1972: 1970: 1968: 1966: 1964: 1962: 1960: 1958: 1956: 1954: 1952: 1950: 1942: 1941:Harcourt 1990 1937: 1935: 1933: 1925: 1921: 1916: 1909: 1904: 1902: 1900: 1898: 1896: 1894: 1892: 1890: 1888: 1886: 1884: 1882: 1880: 1878: 1876: 1864: 1860: 1856: 1852: 1848: 1844: 1840: 1833: 1831: 1822: 1820: 1813:, p. 89. 1812: 1807: 1799: 1795: 1790: 1785: 1781: 1777: 1773: 1769: 1763: 1761: 1746:on 2012-02-27 1742: 1738: 1734: 1729: 1724: 1720: 1716: 1712: 1708: 1701: 1699: 1690: 1688: 1686: 1684: 1682: 1680: 1671: 1667: 1663: 1659: 1652: 1650: 1642: 1637: 1635: 1626: 1622: 1618: 1614: 1610: 1606: 1599: 1591: 1588:(in French). 1587: 1586: 1581: 1577: 1575: 1566: 1560:, p. 91. 1559: 1554: 1548:, p. 21. 1547: 1542: 1526: 1522: 1518: 1514: 1512: 1503: 1501: 1484: 1480: 1477:Patel, E. R. 1473: 1471: 1469: 1467: 1458: 1454: 1450: 1446: 1442: 1438: 1434: 1427: 1425: 1417: 1412: 1410: 1408: 1406: 1389: 1385: 1379: 1363: 1359: 1358: 1353: 1351: 1342: 1340: 1338: 1336: 1331: 1324: 1322: 1318: 1313: 1311: 1305: 1303: 1299: 1295: 1291: 1287: 1283: 1280: 1276: 1272: 1268: 1264: 1260: 1256: 1252: 1248: 1244: 1240: 1235: 1233: 1224: 1215: 1211: 1208: 1204: 1200: 1196: 1192: 1189:of the genus 1188: 1184: 1180: 1176: 1172: 1171:scent-marking 1168: 1167:strepsirrhine 1164: 1159: 1155: 1153: 1149: 1145: 1141: 1137: 1133: 1128: 1126: 1122: 1117: 1113: 1092: 1076: 1074: 1050: 1029: 1008: 987: 966: 945: 925: 923: 919: 915: 914: 909: 908: 903: 902: 897: 896: 891: 888:(10.13%) and 887: 883: 879: 875: 871: 867: 863: 860:) and seeds ( 859: 854: 852: 848: 844: 840: 836: 832: 823: 819: 817: 813: 809: 805: 794: 791: 790:scent marking 785: 782: 767: 756: 742: 740: 739:Varecia rubra 736: 732: 728: 724: 720: 716: 711: 709: 705: 701: 695: 693: 689: 685: 681: 680:Maherivaratra 677: 676:Antohaka Lava 673: 669: 666:, within the 665: 661: 657: 653: 649: 644: 640: 636: 632: 622: 620: 616: 612: 608: 604: 600: 595: 593: 589: 585: 581: 577: 573: 569: 568: 563: 562: 557: 553: 549: 545: 541: 537: 533: 530: 525: 522: 521: 516: 512: 508: 507: 502: 498: 494: 493:spiny forests 490: 486: 478: 473: 469: 467: 463: 459: 455: 452:standardized 451: 450:Ernst Schwarz 447: 443: 439: 435: 431: 427: 423: 419: 415: 405: 403: 400: 396: 392: 391:specific name 388: 384: 380: 370: 368: 364: 360: 356: 352: 351: 346: 342: 338: 333: 331: 327: 323: 318: 312: 310: 306: 302: 298: 295: 291: 287: 286: 281: 277: 273: 270:) is a large 269: 268: 263: 249: 246: 245: 243: 240: 236: 233: 228: 224: 219: 214: 213:A. Grandidier 209: 207: 201: 198: 197:Binomial name 194: 190: 189: 184: 181: 180: 177: 176: 172: 169: 168: 165: 162: 159: 158: 155: 154:Strepsirrhini 152: 149: 148: 145: 142: 139: 138: 135: 132: 129: 128: 125: 122: 119: 118: 115: 112: 109: 108: 105: 102: 99: 98: 93: 88: 84: 78: 72: 67: 61: 56: 45: 41: 36: 32: 27: 24:Silky sifaka 22: 19: 4249: 4039: 4014: 3998:P. coronatus 3997: 3988: 3980:P. coquereli 3979: 3971:P. verreauxi 3970: 3960:P. verreauxi 3959: 3947: 3938: 3929: 3920: 3918: 3911: 3900: 3881: 3869: 3860: 3851: 3842: 3833: 3824: 3816:A. mooreorum 3815: 3806: 3797: 3777: 3765: 3753: 3744:Strepsirhini 3608: 3589: 3556: 3516: 3492: 3488: 3472:. Springer. 3468: 3463: 3459: 3455: 3451: 3447: 3427: 3394: 3363: 3341: 3320: 3296:. Retrieved 3289:the original 3276: 3265:the original 3260: 3256: 3247: 3239: 3228:the original 3223: 3219: 3210: 3202: 3190:. Retrieved 3183:the original 3178: 3174: 3161: 3135:(1): 11–16. 3132: 3128: 3122: 3099:. Retrieved 3092:the original 3087: 3074: 3062:. 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Retrieved 1361: 1355: 1349: 1314: 1306: 1284: 1274: 1270: 1258: 1236: 1229: 1218:Conservation 1212: 1195:conspecifics 1190: 1160: 1156: 1148:vocalization 1143: 1129: 1109: 1070: 1042:Contact call 918:fruit-eating 911: 905: 899: 893: 855: 828: 800: 786: 777: 738: 730: 722: 712: 708:ericoid bush 696: 635:Andapa Basin 631:Maroantsetra 628: 618: 602: 596: 591: 587: 579: 571: 565: 559: 551: 531: 526: 518: 515:Colin Groves 504: 500: 482: 476: 461: 457: 445: 433: 425: 422:Antongil Bay 411: 401: 394: 386: 379:vocalization 376: 358: 348: 334: 313: 308: 296: 284: 283: 266: 265: 262:silky sifaka 261: 259: 247: 231: 205: 203: 187: 186: 174: 18: 4131:iNaturalist 4064:Wikispecies 3989:P. deckenii 3939:P. perrieri 3930:P. edwardsi 3921:P. candidus 3883:Propithecus 3870:A. betsileo 3834:A. unicolor 3553:Louis, E.E. 3460:P. perrieri 3456:P. edwardsi 3310:Books cited 3175:Primate Eye 2896:) Behavior" 1920:Groves 2005 1830:Propithecus 1811:Groves 2001 1698:Propithecus 1613:Propithecus 1605:Propithèque 1580:Propithecus 1558:Borror 1960 1546:Borror 1960 1433:Propithecus 1390:. UNEP-WCMC 1199:allomarking 1187:true lemurs 890:Apocynaceae 816:home ranges 745:Description 731:Indri indri 650:, north of 621:) in 1988. 592:Propithecus 576:molar teeth 540:chromosomes 489:dry forests 297:Propithecus 248:P. sericeus 232:P. candidus 175:Propithecus 4256:Categories 3912:P. diadema 3901:P. diadema 3807:A. laniger 3798:A. cleesei 3742:Suborder: 3452:P. diadema 3220:Lemur News 3152:10535/6813 2686:Lemur News 2552:Lemur News 2512:Lemur News 2382:Irwin 2006 2339:Lemur News 2302:: 227–240. 2279:: 265–274. 2090:Lemur News 1750:2010-07-06 1728:1885/35492 1627:: 273–274. 1592:: 231–232. 1327:References 1253:, such as 1073:media help 886:Clusiaceae 884:(12.65%), 880:(12.87%), 876:(20.30%), 851:Aggression 497:subspecies 326:scent-mark 301:subspecies 280:Madagascar 150:Suborder: 73:Appendix I 3890:(sifakas) 3718:Kingdom: 3708:Indriidae 3581:883321520 3501:494592496 3123:Dalbergia 2172:175062995 2166:: 1–210. 2129:: 21–27. 1782:: 12–23. 1310:eco-tours 1207:toothcomb 1163:olfactory 882:Myrtaceae 841:known as 536:karyotype 527:In 2004, 464:, taking 456:in 1931, 373:Etymology 330:toothcomb 292:species ( 182:Species: 164:Indriidae 110:Kingdom: 104:Eukaryota 4049:Wikidata 4016:Category 3766:I. indri 3738:Primates 3732:Mammalia 3726:Chordata 3724:Phylum: 3720:Animalia 3541:32480729 3418:62265494 3384:(2005). 3362:(2001). 3298:3 August 3192:4 August 3101:4 August 3064:4 August 3002:4 August 2960:4 August 2875:4 August 2836:4 August 2789:4 August 2742:4 August 2654:4 August 2607:4 August 2435:15386235 1859:40948241 1798:54727842 1770:(2007). 1737:22899861 1619:)]. 1531:4 August 1394:18 March 1279:bushmeat 1263:rosewood 1183:genitals 1179:apocrine 1152:acoustic 1091:geophagy 922:geophagy 878:Fabaceae 874:Moraceae 866:families 858:folivory 797:Behavior 637:and the 466:priority 408:Taxonomy 402:sericeus 395:candidus 367:rosewood 239:Synonyms 160:Family: 144:Primates 134:Mammalia 124:Chordata 120:Phylum: 114:Animalia 100:Domain: 60:IUCN 3.1 4267:Sifakas 4237:5456762 4214:1046413 4175:1000982 4123:5786030 4110:7250889 4055:Q763853 3764:Indri ( 3736:Order: 3730:Class: 2906:30 June 2254:1858645 1457:3148530 1368:20 July 1191:Eulemur 913:Eugenia 717:as the 654:. The 652:Sambava 599:Vohemar 438:Sambava 387:simpona 285:simpona 170:Genus: 140:Order: 130:Class: 75: ( 58: ( 4234:uBio: 4227:385221 4201:206855 4188:543560 4149:944092 4079:ARKive 3615:  3596:  3579:  3569:  3539:  3529:  3499:  3476:  3462:, and 3435:  3416:  3406:  3370:  3348:  3329:  2433:  2252:  2170:  2041:  1857:  1796:  1735:  1489:5 July 1455:  870:lianas 810:, and 690:, the 686:, the 572:et al. 544:D-loop 532:et al. 479:(1892) 290:sifaka 215:, 1871 4162:18360 4136:74958 4097:77Y49 3962:group 3903:group 3779:Avahi 3755:Indri 3491:[ 3388:. In 3292:(PDF) 3285:(PDF) 3268:(PDF) 3253:(PDF) 3231:(PDF) 3216:(PDF) 3186:(PDF) 3171:(PDF) 3095:(PDF) 3084:(PDF) 2954:(PDF) 2943:(PDF) 2869:(PDF) 2858:(PDF) 2697:(PDF) 2682:(PDF) 2601:(PDF) 2590:(PDF) 2563:(PDF) 2548:(PDF) 2523:(PDF) 2508:(PDF) 2442:(PDF) 2411:(PDF) 2367:[ 2350:(PDF) 2335:(PDF) 2250:S2CID 2215:(PDF) 2198:(PDF) 2179:(PDF) 2156:(PDF) 2101:(PDF) 2086:(PDF) 2052:(PDF) 2035:(PDF) 1866:(PDF) 1855:S2CID 1835:(PDF) 1794:S2CID 1744:(PDF) 1733:S2CID 1703:(PDF) 1388:CITES 1290:ebony 1132:fossa 901:Senna 727:indri 529:Mayor 322:scent 294:genus 272:lemur 77:CITES 71:CITES 4183:NCBI 4157:IUCN 4144:ITIS 4118:GBIF 3613:ISBN 3594:ISBN 3577:OCLC 3567:ISBN 3537:OCLC 3527:ISBN 3497:OCLC 3474:ISBN 3433:ISBN 3414:OCLC 3404:ISBN 3368:ISBN 3346:ISBN 3327:ISBN 3300:2010 3194:2010 3103:2010 3066:2010 3004:2010 2962:2010 2908:2010 2877:2010 2838:2010 2791:2010 2744:2010 2656:2010 2609:2010 2431:PMID 2168:OCLC 2039:ISBN 1832:spp" 1662:1931 1533:2010 1491:2010 1453:PMID 1396:2015 1370:2020 1362:2020 1275:fady 1259:tavy 1134:, a 1116:mate 1007:Howl 678:and 554:). 491:and 442:coat 359:tavy 350:fady 339:and 260:The 4170:MDD 4105:EoL 4092:CoL 3147:hdl 3137:doi 2822:doi 2775:doi 2728:doi 2640:doi 2423:doi 2419:126 2242:doi 2131:doi 1847:doi 1784:doi 1723:hdl 1715:doi 1666:doi 1445:doi 781:fur 385:as 361:), 303:of 276:fur 4258:: 4224:: 4211:: 4198:: 4185:: 4172:: 4159:: 4146:: 4133:: 4120:: 4107:: 4094:: 4081:: 4066:: 4051:: 3575:. 3565:. 3535:. 3525:. 3511:; 3458:, 3454:, 3450:, 3412:. 3261:44 3259:. 3255:. 3222:. 3218:. 3179:96 3177:. 3173:. 3145:. 3131:. 3127:. 3111:^ 3086:. 3054:27 3052:. 3048:. 3046:)" 2992:27 2990:. 2986:. 2970:^ 2945:. 2928:^ 2898:. 2860:. 2818:66 2816:. 2812:. 2771:60 2769:. 2765:. 2724:66 2722:. 2718:. 2690:10 2688:. 2684:. 2679:)" 2636:60 2634:. 2630:. 2592:. 2571:^ 2556:12 2554:. 2550:. 2545:)" 2531:^ 2516:11 2514:. 2510:. 2505:)" 2489:^ 2450:^ 2429:. 2417:. 2413:. 2343:13 2341:. 2337:. 2332:)" 2308:^ 2300:90 2294:. 2277:97 2271:. 2248:. 2238:16 2236:. 2223:^ 2208:25 2200:. 2158:. 2109:^ 2094:11 2088:. 2060:^ 1948:^ 1931:^ 1922:, 1874:^ 1853:. 1843:25 1841:. 1837:. 1818:^ 1792:. 1780:16 1778:. 1774:. 1759:^ 1731:. 1721:. 1711:28 1709:. 1705:. 1678:^ 1660:. 1648:^ 1633:^ 1625:23 1590:72 1521:27 1519:. 1515:. 1499:^ 1465:^ 1451:. 1441:50 1439:. 1423:^ 1404:^ 1386:. 1360:. 1354:. 1334:^ 1304:. 1249:. 1093:). 845:. 833:, 806:, 702:, 468:. 393:, 4000:) 3991:) 3982:) 3973:) 3950:) 3941:) 3932:) 3923:) 3914:) 3872:) 3863:) 3854:) 3845:) 3836:) 3827:) 3818:) 3809:) 3800:) 3768:) 3699:e 3692:t 3685:v 3621:. 3602:. 3583:. 3543:. 3503:. 3482:. 3441:. 3420:. 3376:. 3354:. 3335:. 3302:. 3224:7 3196:. 3155:. 3149:: 3139:: 3133:2 3105:. 3068:. 3006:. 2964:. 2910:. 2879:. 2840:. 2824:: 2793:. 2777:: 2746:. 2730:: 2658:. 2642:: 2611:. 2425:: 2256:. 2244:: 2164:6 2139:. 2133:: 2127:2 1926:. 1849:: 1800:. 1786:: 1753:. 1725:: 1717:: 1700:" 1672:. 1668:: 1615:( 1607:( 1535:. 1493:. 1459:. 1447:: 1398:. 1372:. 1352:" 1348:" 1269:( 1197:( 1142:( 1075:. 737:( 729:( 721:( 617:( 586:( 550:( 432:( 357:( 307:( 264:( 79:) 62:)

Index


Conservation status
Critically Endangered
IUCN 3.1
CITES
CITES
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Mammalia
Primates
Strepsirrhini
Indriidae
Propithecus
Binomial name
A. Grandidier
Map of Madagascar off the African coast, showing a highlighted range (in red) as a small area in the northeast corner of the island.
Synonyms
lemur
fur
Madagascar
sifaka
genus
subspecies
diademed sifaka
seasonal breeder
scent
scent-mark

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