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Ross's Goose

Anser rossii

Least Concern
Chiều Dài Sải Cánh
69,2 cm
Khối Lượng
1513,5 g
Họ
Anatidae
Bộ
Anseriformes

The Ross's Goose (Anser rossii) is a bird species in the family Anatidae (ducks, geese & swans), within the order Anseriformes (waterfowl). Recorded measurements include a wingspan of 69.2 cm and a weight of 1.5 kg. The IUCN Red List classifies it as Least Concern.

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Giới Thiệu

A small compact white goose with black wingtips, a stubby pink bill with a warty blue-grey base, and a rounded head. One of the smallest North American geese. Breeds in the Canadian Arctic; winters in the southern United States. Population has grown dramatically since the 1960s.

Physical Description

Measurement Value Imperial
Chiều Dài Sải Cánh 69,2 cm 27.2 in
Khối Lượng 1513,5 g 53.39 oz

Nhận Dạng

Bộ Lông

Smallest white North American goose; pure white plumage with black wingtips. Short triangular pink bill with warty pinkish-gray base. Pink-red legs. Occasional blue morph. Sexes similar.

Habitat & Range

Breeds on tundra near Hudson Bay and the central Canadian Arctic. Winters in agricultural fields, rice paddies, and wetlands in the central and southern United States, particularly California's Central Valley.

Phạm Vi Địa Lý

Breeds in high Arctic tundra; winters at sea in the North Atlantic from Iceland to the British Isles and northeastern United States.

Diet & Feeding

Eats aquatic plants, seeds, and grasses near wetlands; omnivorous in breeding; takes invertebrates in shallow water.

Tình Trạng Bảo Tồn

Least Concern
IUCN Red List

Hành Vi & Sinh Sản

Làm Tổ

Nest type: M. Incubation: 21-22 days. Fledging: 40-45 days.

Số Trứng

2-8

Âm Thanh

Tiếng Hót

A high, nasal yelping 'whoik' or 'hoik' — higher-pitched than Snow Goose. Flocks mix with Snow Geese; calls differ noticeably by pitch. Fast, repeated notes in flight.

Phân Loại Học

Kingdom Animalia
Phylum Chordata
Class Aves
Bộ Anseriformes (Waterfowl)
Họ Anatidae (Ducks, Geese & Swans)
Genus Anser
Loài Anser rossii

External Databases

Câu Hỏi Thường Gặp

What does the Ross's Goose eat?
Eats aquatic plants, seeds, and grasses near wetlands; omnivorous in breeding; takes invertebrates in shallow water.
Where does the Ross's Goose live?
Breeds on tundra near Hudson Bay and the central Canadian Arctic. Winters in agricultural fields, rice paddies, and wetlands in the central and southern United States, particularly California's Central Valley.
Is the Ross's Goose endangered?
The Ross's Goose has a conservation status of Least Concern.
How does the Ross's Goose nest?
Nest type: M. Incubation: 21-22 days. Fledging: 40-45 days.
What does the Ross's Goose sound like?
A high, nasal yelping 'whoik' or 'hoik' — higher-pitched than Snow Goose. Flocks mix with Snow Geese; calls differ noticeably by pitch. Fast, repeated notes in flight.
How big is the Ross's Goose?
The Ross's Goose has a wingspan of 69.2 cm, weight of 1513.5 g.
What order and family does the Ross's Goose belong to?
The Ross's Goose (Anser rossii) belongs to the order Anseriformes and the family Anatidae.

Similar Birds

Other species in the Anatidae family

So Sánh

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