Greater White-fronted Goose

について

北極圏で繁殖し、温帯で越冬する大型のガン（体長64〜81cm）。成鳥は白い額と黒い腹部の横縞が特徴。Anser albifrons（マガン）は東アジア、ヨーロッパ、北米の広大な農地や湿地で越冬する。日本では宮城県伊豆沼などが重要な越冬地で、数万羽が集まる壮観な光景が見られる。Anatidae科。

Physical Description

Measurement	Value	Imperial
翼開長	81.6 cm	32.1 in
体重	2471.0 g	87.16 oz

識別

羽毛

Brown-gray body with white forehead patch bordered by white band at bill base. Underparts with bold irregular black bars on belly. Orange bill; orange-yellow legs. Juveniles lack white front and belly bars.

Habitat & Range

Breeds on Arctic and subarctic tundra and peatlands. Winters on estuaries, agricultural fields, freshwater marshes, and flooded meadows across Europe, Asia, and North America. One of the most widespread geese.

🌿 Wetland 🌾 Grassland 🏖️ Coastal

分布域

Breeds in the potholes region of the northern Great Plains; winters in the southern United States and along the Gulf Coast.

Diet & Feeding

Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding season.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: SC. Incubation: 22-28 days. Fledging: 38-45 days.

一腹卵数

3-9

鳴き声

さえずり

A loud, laughing 'kow-lyuk' or musical 'wah-wah'. Gives a distinctive high-pitched yodeling quality lacking in Greylag. Highly vocal in large winter flocks.

分類学

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

External Databases

よくある質問

What does the Greater White-fronted Goose eat?

Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding season.

Where does the Greater White-fronted Goose live?

Breeds on Arctic and subarctic tundra and peatlands. Winters on estuaries, agricultural fields, freshwater marshes, and flooded meadows across Europe, Asia, and North America. One of the most widespread geese.

Is the Greater White-fronted Goose endangered?

The Greater White-fronted Goose has a conservation status of Least Concern.

How does the Greater White-fronted Goose nest?

Nest type: SC. Incubation: 22-28 days. Fledging: 38-45 days.

What does the Greater White-fronted Goose sound like?

A loud, laughing 'kow-lyuk' or musical 'wah-wah'. Gives a distinctive high-pitched yodeling quality lacking in Greylag. Highly vocal in large winter flocks.

How big is the Greater White-fronted Goose?

The Greater White-fronted Goose has a wingspan of 81.6 cm, weight of 2471.0 g.

What order and family does the Greater White-fronted Goose belong to?

The Greater White-fronted Goose (Anser albifrons) belongs to the order Anseriformes and the family Anatidae.