Common Goldeneye vs Wandering Whistling-duck
Bucephala clangula 비교 대상 Dendrocygna arcuata
Side-by-Side Comparison
| 속성 | Common Goldeneye | Wandering Whistling-duck |
|---|---|---|
| 학명 | Bucephala clangula | Dendrocygna arcuata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 41.7 cm (16.4 in) | 37.2 cm (14.6 in) |
| 체중 | 921.0 g (32.49 oz) | 779.5 g (27.50 oz) |
| 식성 | Dives for aquatic invertebrates, crustaceans, molluscs, and small fish. Forages in lakes, rivers, and coastal … | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| 산란 수 | 1-28 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
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
Common Goldeneye
Male emits a buzzy, insect-like zeee-zeee-zeee wing whistle; female gives a grating quack. The mechanical wing-whistle produced by the male in display flight is the species' most distinctive sound.
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
Common Goldeneye
Breeds across boreal forests of North America, Europe, and Asia. Winters on coasts and large lakes south to the Mediterranean and the Gulf states.
Wandering Whistling-duck
Breeds in Arctic and subarctic regions; winters at sea around the Antarctic pack ice, one of the longest migrations known.
보전 상태
Common Goldeneye
Wandering Whistling-duck
How to Tell Them Apart
Common Goldeneye
Male has glossy green-black head with round white spot at bill base; body white with black back and scapulars; yellow eye. Female has chocolate-brown head, white collar, and grey body.
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
Common Goldeneye
수컷은 이리데슨트 녹색 머리와 둥근 흰 뺨 반점을 가진 중간 크기의 잠수오리(약 920g)입니다. 유라시아와 북미 전역의 나무 구멍에 둥지를 틀어 아한대 호수와 강 근처에서 번식하며 해안 및 내륙 수역에서 월동합니다. 무척추동물, 물고기, 식물 재료를 잠수하여 먹습니다. 넓게 분포하는 관심대상 종입니다.
Wandering Whistling-duck
황갈색-갈색 몸통, 어두운 갈색 등, 엷은 황갈색 아랫면, 밤색 목깃을 가진 중형 홍따오기. 인도네시아에서 호주·태평양 섬까지 열대 습지에 서식. 매우 사회적이고 유목성. 얕은 담수에서 수면 채이기와 잠수로 채이며 먹이를 구한다.