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Emperor Goose

Anser canagicus

Least Concern
翼展
74.8 cm
体重
2300.45 g
Anatidae
Anseriformes

关于

皇帝雁是一种中型海雁,繁殖于阿拉斯加西部及西伯利亚东北部,越冬于阿留申群岛沿岸。头部和颈背白色,颈前黑色,形成鲜明对比。主要栖息于海滨苔原和沿海滩涂,以草地植物和海藻为食。受栖息地变化和气候变暖的影响,种群数量已有所下降。

Physical Description

Measurement Value Imperial
翼展 74.8 cm 29.4 in
体重 2300.45 g 81.15 oz

识别

羽毛

Body plumage blue-gray with black and white feather scalloping. White head and hindneck contrasting with dark throat. Orange-yellow legs. Bill pink-orange. Tail white. Adults striking; sexes similar.

Habitat & Range

Breeds on coastal tundra near the Bering Sea in Alaska and Chukotka. Winters on rocky coastal shorelines, kelp beds, and intertidal flats along the Aleutian Islands and Alaska Peninsula.

分布范围

Breeds in the eastern Arctic of Canada; winters along the Atlantic coast from Newfoundland to Florida and occasionally to Texas.

Diet & Feeding

Grazes aquatic plants and terrestrial grasses; upends in shallow water; winter diet shifts toward grain fields and coastal eelgrass.

保护状况

Least Concern
IUCN Red List

行为与繁殖

筑巢

Nest type: SC. Incubation: 24-25 days. Fledging: 50-60 days.

产卵数

1-8

声音

鸣唱

A low, nasal 'clag-clag' call. Less vocal than other Anser geese. Gives contact calls in flocks during Arctic breeding and Pacific coast wintering. Somewhat quiet.

分类学

Kingdom Animalia
Phylum Chordata
Class Aves
Anseriformes (Waterfowl)
Anatidae (Ducks, Geese & Swans)
Genus Anser
物种 Anser canagicus

External Databases

常见问题

What does the Emperor Goose eat?
Grazes aquatic plants and terrestrial grasses; upends in shallow water; winter diet shifts toward grain fields and coastal eelgrass.
Where does the Emperor Goose live?
Breeds on coastal tundra near the Bering Sea in Alaska and Chukotka. Winters on rocky coastal shorelines, kelp beds, and intertidal flats along the Aleutian Islands and Alaska Peninsula.
Is the Emperor Goose endangered?
The Emperor Goose has a conservation status of Least Concern.
How does the Emperor Goose nest?
Nest type: SC. Incubation: 24-25 days. Fledging: 50-60 days.
What does the Emperor Goose sound like?
A low, nasal 'clag-clag' call. Less vocal than other Anser geese. Gives contact calls in flocks during Arctic breeding and Pacific coast wintering. Somewhat quiet.
How big is the Emperor Goose?
The Emperor Goose has a wingspan of 74.8 cm, weight of 2300.45 g.
What order and family does the Emperor Goose belong to?
The Emperor Goose (Anser canagicus) belongs to the order Anseriformes and the family Anatidae.

Similar Birds

Other species in the Anatidae family

比较

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