Pink-footed Goose vs Wandering Whistling-duck
Anser brachyrhynchus so với Dendrocygna arcuata
Side-by-Side Comparison
| Thuộc Tính | Pink-footed Goose | Wandering Whistling-duck |
|---|---|---|
| Tên Khoa Học | Anser brachyrhynchus | Dendrocygna arcuata |
| Bộ | Anseriformes | Anseriformes |
| Họ | Anatidae | Anatidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 86,4 cm (34.0 in) | 37,2 cm (14.6 in) |
| Khối Lượng | 2590,0 g (91.36 oz) | 779,5 g (27.50 oz) |
| Chế Độ Ăn | Grazes grasses and aquatic plants near rivers; takes invertebrates in breeding season; nomadic in response … | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| Số Trứng | 2-8 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Pink-footed Goose only
Wandering Whistling-duck only
Pink-footed Goose
Breeds on tundra and cliff ledges in Greenland, Iceland, and Svalbard. Winters on agricultural fields, saltmarshes, and estuaries in Scotland, England, Netherlands, and Denmark.
Wandering Whistling-duck
Tropical freshwater marshes, flooded grasslands, swamps, and lake margins from the Philippines and Indonesia through Papua New Guinea to northern and eastern Australia. Nomadic following wet season flooding.
Song & Call Comparison
Pink-footed Goose
A musical, high-pitched 'wink-wink' — noticeably higher and more musical than Greylag or Bean Goose. The 'wink' call is a reliable identification feature in winter flocks.
Wandering Whistling-duck
A soft whistle 'whi-whi-whi' in flight. Less vocal than other whistling-ducks; flocks tend to be quieter. Given at dawn and dusk during flight to roosting or feeding areas.
Geographic Range & Migration
Pink-footed Goose
Breeds on Arctic and sub-Arctic tundra ponds across North America; winters on both US coasts and Gulf Coast estuaries.
Wandering Whistling-duck
Breeds in Arctic and subarctic regions; winters at sea around the Antarctic pack ice, one of the longest migrations known.
Tình Trạng Bảo Tồn
Pink-footed Goose
Wandering Whistling-duck
How to Tell Them Apart
Pink-footed Goose
Dark brown head and neck. Back grayish-brown; underparts pale gray. Diagnostic pink feet and pink-banded dark bill. Pale blue-gray forewing in flight. Compact and round-headed. Sexes similar.
Wandering Whistling-duck
Rich chestnut-brown head and neck; dark brown back. Flanks rufous with pale buff streaks and dark spots. Belly blackish. Long, dark pinkish legs. Upright posture typical of whistling-ducks. Sexes similar.
About These Birds
Pink-footed Goose
A compact short-necked goose with a pink-and-black bill, pink feet, and warm brown-grey body. Breeds in Greenland, Iceland, and Svalbard; winters in northwestern Europe. One of Britain's most spectacular winter visitors; massive roosts of over 200,000 birds occur in Scotland.
Wandering Whistling-duck
A medium-sized whistling-duck with rufous-brown body, dark brown back, pale buff underparts, and a chestnut collar. Found in tropical wetlands from Indonesia to Australia and Pacific islands. Highly social and nomadic. Forages by dabbling and diving in shallow freshwater.