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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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325:), which is smaller and has a dark breast color with a purplish or brownish cast, whereas Taverner's cackling goose (
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293:. 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
350:, and the Aleutian cackling goose was listed by the
454:"Lewis and Clark Expedition and Tribes Encountered"
741:Natural history of the Central Valley (California)
301:as a result of predation by humans and introduced
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329:) is larger and has a lighter breast color. Both
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285:, a related population/subspecies, lived on the
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456:. National Geographic Society. Archived from
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377:San Joaquin River National Wildlife Refuge
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535:: CS1 maint: archived copy as title (
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736:Migratory birds (Western Hemisphere)
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408:. Arlington, Virginia: NatureServe
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396:NatureServe (3 February 2023).
352:U.S. Department of the Interior
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721:NatureServe vulnerable species
559:Aleutian Canada goose taxonomy
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1:
578:Branta hutchinsii leucopareia
400:Branta hutchinsii leucopareia
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317:Similar in appearance is the
279:Branta canadensis leucopareia
253:Branta hutchinsii leucopareia
237:Branta canadensis leucopareia
215:Branta hutchinsii leucopareia
39:Branta hutchinsii leucopareia
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428:"Appendices I, II and III"
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92:Scientific classification
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28:
23:
24:Aleutian cackling goose
248:Aleutian cackling goose
197:B. h. leucopareia
460:on December 22, 2002.
283:Bering cackling goose
462:Retrieved 2012-02-02
319:small cackling goose
47:Conservation status
183:B. hutchinsii
16:Subspecies of bird
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570:Taxon identifiers
434:. 11 January 2023
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548:External links
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295:B. h. asiatica
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262:cackling goose
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206:Trinomial name
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518:on 2013-05-12
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341:Conservation
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331:B. h. minima
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323:B. h. minima
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303:Arctic foxes
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275:Canada goose
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191:Subspecies:
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149:Anseriformes
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693:NatureServe
667:iNaturalist
309:Description
287:Komandorski
78:Appendix II
65:NatureServe
61:Vulnerable
715:Categories
522:2012-11-27
438:8 February
412:8 February
383:References
258:subspecies
432:cites.org
358:in 2001.
177:Species:
115:Kingdom:
109:Eukaryota
698:2.100563
593:Q4716552
587:Wikidata
531:cite web
371:See also
362:Breeding
269:Taxonomy
228:Synonyms
159:Anatidae
155:Family:
129:Chordata
125:Phylum:
119:Animalia
105:Domain:
659:5232458
646:1266206
633:alcgoo1
607:alcgoo1
299:extinct
260:of the
165:Genus:
145:Order:
135:Class:
80: (
63: (
726:Branta
685:714726
672:179299
281:. The
170:Branta
731:Geese
628:eBird
620:5G23V
516:(PDF)
509:(PDF)
479:15643
277:, as
82:CITES
76:CITES
680:ITIS
654:GBIF
537:link
494:4001
440:2023
414:2023
333:and
289:and
246:The
139:Aves
641:EoL
615:CoL
602:BOW
489:32
474:66
717::
695::
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533:}}
529:{{
491:FR
476:FR
467:^
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321:(
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
