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

について

北極圏（カナダ、シベリア）で繁殖し、北米南部や東アジアで越冬するガン（体長64〜79cm）。白色型と青灰色型（ブルーグース）の2つの色彩型がある。Anser caerulescens（ハクガン）は渡りの際に何百万羽もの大群を形成することで知られ、農業地帯での農作物被害が問題になることもある。Anatidae科。

Physical Description

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

識別

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

分布域

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.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

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

一腹卵数

2-6

鳴き声

さえずり

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.

分類学

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

External Databases

よくある質問

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.