Ross's Goose
Anser rossii
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<birdfyi-bird slug="anser-rossii"></birdfyi-bird>The Ross's Goose (Anser rossii) is a bird species in the family Anatidae (ducks, geese & swans), within the order Anseriformes (waterfowl). Recorded measurements include a wingspan of 69.2 cm and a weight of 1.5 kg. The IUCN Red List classifies it as Least Concern.
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关于
细嘴雪雁是北美最小的白色雁类，繁殖于加拿大北极高地，越冬于美国加利福尼亚州和墨西哥。全身白色，翼尖黑色，嘴短小粉红色，基部有疣状突起。常与雪雁混群迁飞，在潮湿草地和农田觅食。近几十年来种群数量增长迅速。
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 翼展 | 69.2 cm | 27.2 in |
| 体重 | 1513.5 g | 53.39 oz |
识别
羽毛
Smallest white North American goose; pure white plumage with black wingtips. Short triangular pink bill with warty pinkish-gray base. Pink-red legs. Occasional blue morph. Sexes similar.
Habitat & Range
Breeds on tundra near Hudson Bay and the central Canadian Arctic. Winters in agricultural fields, rice paddies, and wetlands in the central and southern United States, particularly California's Central Valley.
分布范围
Breeds in high Arctic tundra; winters at sea in the North Atlantic from Iceland to the British Isles and northeastern United States.
Diet & Feeding
Eats aquatic plants, seeds, and grasses near wetlands; omnivorous in breeding; takes invertebrates in shallow water.
保护状况
行为与繁殖
筑巢
Nest type: M. Incubation: 21-22 days. Fledging: 40-45 days.
产卵数
2-8
声音
鸣唱
A high, nasal yelping 'whoik' or 'hoik' — higher-pitched than Snow Goose. Flocks mix with Snow Geese; calls differ noticeably by pitch. Fast, repeated notes in flight.
分类学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Anseriformes (Waterfowl) |
| 科 | Anatidae (Ducks, Geese & Swans) |
| Genus | Anser |
| 物种 | Anser rossii |
External Databases
常见问题
What does the Ross's Goose eat?
Where does the Ross's Goose live?
Is the Ross's Goose endangered?
How does the Ross's Goose nest?
What does the Ross's Goose sound like?
How big is the Ross's Goose?
What order and family does the Ross's Goose belong to?
Similar Birds
Other species in the Anatidae family