Andean Teal vs American Black Duck
Anas andium 비교 대상 Anas rubripes
Side-by-Side Comparison
| 속성 | Andean Teal | American Black Duck |
|---|---|---|
| 학명 | Anas andium | Anas rubripes |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 44.8 cm (17.6 in) | 53.4 cm (21.0 in) |
| 체중 | 457.0 g (16.12 oz) | 1211.25 g (42.73 oz) |
| 식성 | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow coastal and freshwater habitats; diet varies … | Eats fish and aquatic invertebrates; dives in coastal and freshwater habitats; diet shifts toward molluscs … |
| 산란 수 | 5-13 | 1-17 |
| Population Trend | — | — |
Habitat Comparison
Andean Teal
High-altitude freshwater lakes, marshes, and boggy streams at 2,500–4,500 m in the Andes of Colombia, Ecuador, and Peru. Strongly associated with paramo and subpáramo wetlands.
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.
Song & Call Comparison
Andean Teal
Male gives a clear, whistled note; female produces a soft quacking series. Subdued vocalizations of this high-altitude Andes teal blend with the wind across paramo lakes.
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.
Geographic Range & Migration
Andean Teal
Breeds in Arctic and sub-Arctic North America; winters along both US coasts, the Gulf of Mexico, and the Great Lakes.
American Black Duck
Breeds in the steppe zone of Central Asia; winters in South Asia, East Africa, and coastal Southeast Asia.
보전 상태
Andean Teal
American Black Duck
How to Tell Them Apart
Andean Teal
Brown body with fine dark spotting; head grayish-brown. Yellow bill with darker culmen. Iridescent green speculum with white front border. Legs grayish-orange. Sexes similar. High-altitude Andean specialist.
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 …
About These Birds
Andean Teal
노란 부리와 초록 날개를 가진 작은 갈색 청둥오리. 노란부리청둥오리와 밀접하게 관련이 있으며 때로 아종으로 취급된다. 콜롬비아, 에콰도르, 페루의 안데스 습지에 서식한다.
American Black Duck
아메리카 검정 오리는 북아메리카 동부에 서식하는 중간 크기의 오리로, 말라드와 매우 유사하지만 전체적으로 더 어둡고 뚜렷한 보라색 날개 거울을 가지고 있습니다.