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The yellow-knobbed curassow is 84 to 92.5 cm (2.8 to 3.0 ft) long. Males usually weigh between 2,925 and 3,200 g (6.4 and 7.1 lb) but one weighed only 1,625 g (3.6 lb). A female weighed 2,325 g (5.1 lb). The male is the only curassow with a knobbed yellow
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The yellow-knobbed curassow forages in small family groups, or in combined ones of up to 15 birds in the dry season. Its primary foods are fruits and seeds with very small amounts of leaves, other plant parts, and insects. It feeds at all levels from the ground to the treetops.
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Male yellow-knobbed curassows sing a "bomb-dropping" descending whistle, sometimes combined with a wing-clapping display or booming. The former is "4–10 rapid cracks of wings above the bird’s back, 'wapp!, wapp!, wapp!-wapp!-wapp!'". The booming is described as "uuumh...uhh".
327:. It also occurs in valleys and ravines in the nearby foothills. In elevation it ranges between 500 and 1,500 m (1,600 and 4,900 ft) in Colombia and 100 and 800 m (330 and 2,600 ft) in Venezuela.
301:. Males and females are mostly black with a white lower belly, vent area, and tips of the tail feathers. Females have a black cere and pale barring on the breast and lower belly.
574:), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA.
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353:. It builds an oval nest of branches and lianas lined with leaves and grass and usually sites it in a tree and concealed by vines. The clutch size is two eggs.
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has assessed the yellow-knobbed curassow as Near
Threatened. It has a small population that is declining due to habitat loss and hunting.
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284:. A few subspecies previously proposed for it were determined to be hybrids or aberrant individuals and so were not adopted.
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The yellow-knobbed curassow lays eggs during May and June, the early part of the rainy season. It appears to be
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states and in immediately adjacent northeastern
Colombia. It primarily inhabits
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The yellow-knobbed curassow is found in northern
Venezuela as far east as
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The yellow-knobbed curassow was formerly classified as a subspecies of
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del Hoyo, J. and G. M. Kirwan (2020). Yellow-knobbed
Curassow (
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55:Female at the Sylvan Heights Bird Park
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900:IUCN Red List near threatened species
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504:"Yellow-knobbed Curassow
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92:Scientific classification
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305:Distribution and habitat
268:Taxonomy and systematics
24:Yellow-knobbed curassow
920:Birds described in 1867
228:yellow-knobbed curassow
500:BirdLife International
321:and tall scrub in the
274:blue-billed curassow
62:Conservation status
915:Birds of Venezuela
236:) is a species of
183:C. daubentoni
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846:Open Tree of Life
591:Taxon identifiers
423:Hamerton Zoo Park
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256:. It is found in
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38:Male at the
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820:Neotropical
755:iNaturalist
623:Wikispecies
288:Description
246:chachalacas
149:Galliformes
894:Categories
872:Xeno-canto
483:References
437:Female at
351:polygynous
910:Curassows
523:1 October
425:, England
282:monotypic
280:). It is
262:Venezuela
254:curassows
208:G.R. Gray
177:Species:
115:Kingdom:
109:Eukaryota
859:Species+
799:22678530
773:10883820
682:22678530
677:BirdLife
614:Q1267444
608:Wikidata
545:July 14,
502:(2019).
421:Male at
345:Breeding
331:Behavior
258:Colombia
242:Cracidae
159:Cracidae
155:Family:
129:Chordata
125:Phylum:
119:Animalia
105:Domain:
82:IUCN 3.1
825:yekcur1
747:2482172
734:yekcur1
708:yekcur1
664:Avibase
408:Gallery
336:Feeding
315:Monagas
165:Genus:
145:Order:
135:Class:
80: (
851:654723
786:175760
651:ARKive
477:Female
465:Female
453:Female
396:Status
324:llanos
299:wattle
252:, and
244:, the
210:, 1867
838:70228
812:84986
768:IRMNG
729:eBird
721:6BBXB
695:28742
441:, USA
311:Sucre
250:guans
905:Crax
864:3747
807:NCBI
794:IUCN
781:ITIS
760:2053
742:GBIF
690:BOLD
547:2021
525:2021
518:2019
402:IUCN
400:The
313:and
297:and
295:cere
260:and
238:bird
226:The
170:Crax
139:Aves
716:CoL
703:BOW
638:ADW
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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