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than 10 mm (0.39 in) wide and is subtended by a ring of darker feathers. The cheek patches are usually separated by a black line under the throat and the breast is a pale grayish-brown color, although a small number of lighter- and darker-breasted birds occur. The westernmost population did not appreciably differ in color, except that the neck ring was always very wide and white in the few attested specimens.
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December, the geese wintering in the
Central Valley begin moving north, and by mid-February, most of the Aleutian cackling goose population is located in northwestern California until they depart for the Aleutian Islands in mid-April. As of 2004, Humboldt County began receiving the majority of Aleutian cackling geese on the northwestern coast from January through April.
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Aleutian cackling geese typically arrive in
California in mid-October each year. The majority of the population goes right to its primary wintering areas in the Central Valley. Since 2002, though, a relatively small (1500-5000) number of geese spend fall and winter on the northern coast. Around late
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The
Aleutian cackling goose has the typical black head and neck, white cheek patches, grayish-brown back and wings, white rump, black tail feathers, legs, and feet of the species. It is distinguished by a conspicuous white neck ring at the base of the neck that in adult plumage is usually greater
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The primary threat to the
Aleutian cackling goose has been the Arctic fox, introduced to the Aleutian Islands by Russian fur traders between 1836 and 1930. By 1963, the breeding range of the goose was restricted to
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averaging 1.7 to 2.1 kg (3.7 to 4.6 lb) in weight. It was one of 122 species of animals, birds, and fishes first documented for science by the Lewis and Clark
Expedition (Corps of Discovery).
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336:), which is smaller and has a dark breast color with a purplish or brownish cast, whereas Taverner's cackling goose (
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304:. This population was not markedly distinct from the Aleutian one, and it is debated as to whether its subspecies
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as endangered in 1967. Since then, the
Aleutian cackling goose has made a comeback, and it was removed from the
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is valid. By about 1920 or so (last seen either in 1914 or 1929), the Bering population became
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NatureServe
Network Biodiversity Location Data accessed through NatureServe Explorer
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sometimes have white neck rings, but these are usually narrow or indistinct.
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United States Fish and
Wildlife Service list of endangered mammals and birds
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The
Aleutian cackling goose was formerly thought to be a subspecies of the
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U.S. Fish and
Wildlife Service - Aleutian Canada goose
361:, and the Aleutian cackling goose was listed by the
465:"Lewis and Clark Expedition and Tribes Encountered"
752:Natural history of the Central Valley (California)
312:as a result of predation by humans and introduced
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340:) is larger and has a lighter breast color. Both
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296:, a related population/subspecies, lived on the
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467:. National Geographic Society. Archived from
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388:San Joaquin River National Wildlife Refuge
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546:: CS1 maint: archived copy as title (
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747:Migratory birds (Western Hemisphere)
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419:. Arlington, Virginia: NatureServe
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407:NatureServe (3 February 2023).
363:U.S. Department of the Interior
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732:NatureServe vulnerable species
570:Aleutian Canada goose taxonomy
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589:Branta hutchinsii leucopareia
411:Branta hutchinsii leucopareia
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328:Similar in appearance is the
290:Branta canadensis leucopareia
264:Branta hutchinsii leucopareia
248:Branta canadensis leucopareia
226:Branta hutchinsii leucopareia
50:Branta hutchinsii leucopareia
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439:"Appendices I, II and III"
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103:Scientific classification
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35:Aleutian cackling goose
259:Aleutian cackling goose
208:B. h. leucopareia
471:on December 22, 2002.
294:Bering cackling goose
18:Bering cackling goose
473:Retrieved 2012-02-02
330:small cackling goose
58:Conservation status
194:B. hutchinsii
27:Subspecies of bird
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581:Taxon identifiers
445:. 11 January 2023
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16:(Redirected from
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559:External links
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217:Trinomial name
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529:on 2013-05-12
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531:. Retrieved
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352:Conservation
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342:B. h. minima
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334:B. h. minima
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314:Arctic foxes
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202:Subspecies:
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160:Anseriformes
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704:NatureServe
678:iNaturalist
320:Description
298:Komandorski
89:Appendix II
76:NatureServe
72:Vulnerable
726:Categories
533:2012-11-27
449:8 February
423:8 February
394:References
269:subspecies
443:cites.org
369:in 2001.
188:Species:
126:Kingdom:
120:Eukaryota
709:2.100563
604:Q4716552
598:Wikidata
542:cite web
382:See also
373:Breeding
280:Taxonomy
239:Synonyms
170:Anatidae
166:Family:
140:Chordata
136:Phylum:
130:Animalia
116:Domain:
670:5232458
657:1266206
644:alcgoo1
618:alcgoo1
310:extinct
271:of the
176:Genus:
156:Order:
146:Class:
91: (
74: (
737:Branta
696:714726
683:179299
292:. The
181:Branta
742:Geese
639:eBird
631:5G23V
527:(PDF)
520:(PDF)
490:15643
288:, as
93:CITES
87:CITES
691:ITIS
665:GBIF
548:link
505:4001
451:2023
425:2023
344:and
300:and
257:The
150:Aves
652:EoL
626:CoL
613:BOW
500:32
485:66
728::
706::
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544:}}
540:{{
502:FR
487:FR
478:^
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332:(
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
