American Black Duck vs Plumed Whistling-duck
Anas rubripes 비교 대상 Dendrocygna eytoni
Side-by-Side Comparison
| 속성 | American Black Duck | Plumed Whistling-duck |
|---|---|---|
| 학명 | Anas rubripes | Dendrocygna eytoni |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 53.4 cm (21.0 in) | 46.4 cm (18.3 in) |
| 체중 | 1211.25 g (42.73 oz) | 877.5 g (30.95 oz) |
| 식성 | Eats fish and aquatic invertebrates; dives in coastal and freshwater habitats; diet shifts toward molluscs … | Grazes short tundra grasses; also takes aquatic vegetation; large Arctic goose wintering on coastal marshes … |
| 산란 수 | 1-17 | 8-14 |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
American Black Duck only
Plumed Whistling-duck only
American Black Duck
Freshwater and brackish wetlands in eastern North America from Atlantic Canada south along the coast to Georgia. Breeds in northern bogs and wetlands. Winters on coastal marshes, estuaries, and freshwater lakes.
Plumed Whistling-duck
Grassy tropical wetland margins, flooded plains, and well-watered pastures in northern and eastern Australia. Grazes on land near water at night; rests on open ground or in trees during the day.
Song & Call Comparison
American Black Duck
Female produces a loud, deep quacking series; male gives a low, raspy grunt. Voice is deeper and huskier than a Mallard; pairs call powerfully across northeastern North American wetlands.
Plumed Whistling-duck
A high, reedy whistling call similar to other Dendrocygna. Plumed Whistling-duck gives 'grassy' grassland calls. Less musical than White-faced; contact notes are short whistles.
Geographic Range & Migration
American Black Duck
Breeds in the steppe zone of Central Asia; winters in South Asia, East Africa, and coastal Southeast Asia.
Plumed Whistling-duck
Breeds in the Holarctic tundra and boreal zones; winters on temperate coasts and large inland lakes globally.
보전 상태
American Black Duck
Plumed Whistling-duck
How to Tell Them Apart
American Black Duck
Sooty dark brown body; head and neck paler buff with dark streaking. Iridescent purple speculum without white border. Males have yellow-green bill; females olive with orange blotches. Silvery underwings in …
Plumed Whistling-duck
Pale brown head and neck; chestnut-brown back. Distinctive long, pale golden plumes extend from flanks. Breast pale pink with dark spots. Belly pale. Long pink legs. Upright posture. Sexes similar.
About These Birds
American Black Duck
아메리카 검정 오리는 북아메리카 동부에 서식하는 중간 크기의 오리로, 말라드와 매우 유사하지만 전체적으로 더 어둡고 뚜렷한 보라색 날개 거울을 가지고 있습니다.
Plumed Whistling-duck
접은 날개 너머로 뻗은 긴 황갈색 옆구리 깃털, 갈색 몸통, 분홍 부리, 직립 자세를 가진 대형 홍따오기. 호주 고유종. 물가 초원에서 대규모 채이며 먹이를 구하는 무리를 이룬다. 주로 수생식물보다 풀과 사초를 먹는다.