Snow Goose (Anser caerulescens) — Facts, Habitat & Conservation

关于

雪雁是北美数量最多的雁类之一，繁殖于加拿大北极苔原，越冬于美国南部及墨西哥湾沿岸。有白色和蓝色两种色型，白色型全身白色，翼尖黑色；蓝色型身体灰褐色，头颈白色。迁徙时常形成壮观的数十万只大群，以草地和农田植物为食。

Physical Description

Measurement	Value	Imperial
翼展	82.4 cm	32.4 in
体重	2561.0 g	90.34 oz

识别

羽毛

White morph: pure white plumage with black primaries and pink bill and legs. Blue morph: dark blue-gray body with white head. Both morphs interbreed freely. 'Grinning patch' on bill. Sexes similar.

Habitat & Range

Breeds on coastal and inland Arctic tundra in Canada, Alaska, and Greenland. Winters on agricultural fields, marshes, and coastal wetlands across the United States and northern Mexico. Forms enormous flocks.

🌿 Wetland 🌾 Grassland 🏖️ Coastal

分布范围

Breeds in eastern North America's boreal forest; winters on the Atlantic coast from New England to South Carolina.

Diet & Feeding

Grazes submerged aquatic vegetation and eelgrass in estuaries; also takes grasses and sedges on coastal grasslands.

保护状况

Least Concern

IUCN Red List

行为与繁殖

筑巢

Nest type: SC. Incubation: 23-25 days. Fledging: 40-50 days.

产卵数

2-6

声音

鸣唱

A loud, nasal barking 'luk-luk' or 'kow-kow'. Large flocks create enormous noise during Arctic nesting and winter staging. Considered a noisy, conspicuous goose.

分类学

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

External Databases

常见问题

What does the Snow Goose eat?

Grazes submerged aquatic vegetation and eelgrass in estuaries; also takes grasses and sedges on coastal grasslands.

Where does the Snow Goose live?

Breeds on coastal and inland Arctic tundra in Canada, Alaska, and Greenland. Winters on agricultural fields, marshes, and coastal wetlands across the United States and northern Mexico. Forms enormous flocks.

Is the Snow Goose endangered?

The Snow Goose has a conservation status of Least Concern.

How does the Snow Goose nest?

Nest type: SC. Incubation: 23-25 days. Fledging: 40-50 days.

What does the Snow Goose sound like?

A loud, nasal barking 'luk-luk' or 'kow-kow'. Large flocks create enormous noise during Arctic nesting and winter staging. Considered a noisy, conspicuous goose.

How big is the Snow Goose?

The Snow Goose has a wingspan of 82.4 cm, weight of 2561.0 g.

What order and family does the Snow Goose belong to?

The Snow Goose (Anser caerulescens) belongs to the order Anseriformes and the family Anatidae.