American Black Duck vs Lesser White-fronted Goose
Anas rubripes 비교 대상 Anser erythropus
Side-by-Side Comparison
| 속성 | American Black Duck | Lesser White-fronted Goose |
|---|---|---|
| 학명 | Anas rubripes | Anser erythropus |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Vulnerable |
| 체장 | — | — |
| 날개 폭 | 53.4 cm (21.0 in) | 73.8 cm (29.1 in) |
| 체중 | 1211.25 g (42.73 oz) | 1912.5 g (67.46 oz) |
| 식성 | -- | -- |
| 산란 수 | 1-17 | 2-8 |
| Population Trend | — | — |
Habitat Comparison
공유 서식지
American Black Duck only
Lesser White-fronted Goose 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.
Lesser White-fronted Goose
Breeds on low-arctic and subarctic willow scrub and tundra across northern Eurasia. Winters on agricultural steppes and wetlands in Azerbaijan, Iran, Greece, and eastern Asia. Mixes with White-fronted Goose flocks.
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.
Lesser White-fronted Goose
A high-pitched, rapid 'yelp' — noticeably faster and higher than Greater White-fronted. VU status; its smaller size is reflected in higher-frequency calls.
보전 상태
American Black Duck
Lesser White-fronted Goose
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 …
Lesser White-fronted Goose
Similar to but smaller than Greater White-fronted Goose; more extensive white forehead reaching above eyes. Distinctive yellow eye-ring. Dark brown-gray body with black belly bars. Pink bill; orange legs.
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.
Lesser White-fronted Goose
작은 흰이마기러기는 시베리아 툰드라에서 번식하고 카스피해 및 중국에서 월동합니다. 흰이마기러기와 유사하지만 더 작고 흰 이마 줄무늬가 더 넓으며 눈 주위의 노란 테두리가 특징입니다.