🐦

Swan Goose

Anser cygnoid

Endangered

翼開長

84.4 cm

体重

3343.75 g

科

Anatidae

目

Anseriformes

について

サカツラガンはシベリア南東部と中国北東部に繁殖し、中国南部と朝鮮半島で越冬するガンです。細長い首と大きな嘴の根元の黒い模様が特徴的です。日本には稀に飛来します。湿地、草地、農地に生息し、草や農作物を採食します。

Physical Description

Measurement	Value	Imperial
翼開長	84.4 cm	33.2 in
体重	3343.75 g	117.95 oz

識別

羽毛

Long neck with rich chestnut hindneck stripe. Forehead and crown dark brown; face and throat whitish. Upperparts grayish-brown; underparts pale. Long black bill. Pink legs. Ancestor of Chinese domestic geese.

Habitat & Range

Breeds on steppe lakes, rivers, and meadows in Mongolia, Siberia, and northeastern China. Winters in eastern China's Yangtze River floodplain and coastal wetlands. Wild populations critically small.

🌿 Wetland 🌾 Grassland

分布域

Breeds in the tundra and boreal zones of Alaska and Canada; winters on the Pacific coast from British Columbia to California.

Diet & Feeding

Herbivore; grazes aquatic plants and grasses at wetland margins; takes invertebrates in spring; diet shifts with seasonal flooding.

保全状況

Endangered

IUCN Red List

行動と繁殖

営巣

Incubation: 28 days.

一腹卵数

4-8

鳴き声

さえずり

A deep, resonant 'honk'; less frequently heard than Greylag. The EN status reflects serious population decline; vocalizations are considered similar to Greylag Goose.

分類学

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

External Databases

よくある質問

What does the Swan Goose eat?

Herbivore; grazes aquatic plants and grasses at wetland margins; takes invertebrates in spring; diet shifts with seasonal flooding.

Where does the Swan Goose live?

Breeds on steppe lakes, rivers, and meadows in Mongolia, Siberia, and northeastern China. Winters in eastern China's Yangtze River floodplain and coastal wetlands. Wild populations critically small.

Is the Swan Goose endangered?

The Swan Goose has a conservation status of Endangered.

How does the Swan Goose nest?

Incubation: 28 days.

What does the Swan Goose sound like?

A deep, resonant 'honk'; less frequently heard than Greylag. The EN status reflects serious population decline; vocalizations are considered similar to Greylag Goose.

How big is the Swan Goose?

The Swan Goose has a wingspan of 84.4 cm, weight of 3343.75 g.

What order and family does the Swan Goose belong to?

The Swan Goose (Anser cygnoid) belongs to the order Anseriformes and the family Anatidae.