Black-headed Duck vs White-headed Duck
Heteronetta atricapilla 비교 대상 Oxyura leucocephala
Side-by-Side Comparison
| 속성 | Black-headed Duck | White-headed Duck |
|---|---|---|
| 학명 | Heteronetta atricapilla | Oxyura leucocephala |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Endangered |
| 체장 | — | — |
| 날개 폭 | 34.7 cm (13.7 in) | 29.7 cm (11.7 in) |
| 체중 | 528.5 g (18.64 oz) | 705.0 g (24.87 oz) |
| 식성 | Parasitic; adults may feed on aquatic plants, seeds, and invertebrates in South American marshes. Diet … | Dives for aquatic invertebrates, seeds, and plant roots in Mediterranean and Central Asian wetlands. Critically … |
| 산란 수 | 2 | 3-10 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black-headed Duck
Male gives a soft, raspy peeping note; female produces a muted quack. An obligate brood parasite with reduced vocalizations; subdued calls suit its secretive lifestyle among Argentine reeds.
White-headed Duck
Male produces a mechanical, rapid bill-drumming; female gives a harsh, grating quack. The drumming staccato display is the same pattern as other Oxyura stiff-tails; heard on Eurasian steppe lakes.
Geographic Range & Migration
Black-headed Duck
Resident in southern South America from southern Brazil and Bolivia south to Argentina and Chile. Found on lakes and marshes in open lowlands.
White-headed Duck
Breeds in Spain, Turkey, central Asia, and Mongolia. Winters in the Mediterranean, the Middle East, and northern India. Globally endangered.
보전 상태
Black-headed Duck
White-headed Duck
How to Tell Them Apart
Black-headed Duck
Male has distinctive jet-black head and neck, warm chestnut-brown back, and pale buff underparts; blue-grey bill with red base. Female is streaked brown above with pale supercilium and whitish underparts.
White-headed Duck
Male has entirely white head with small black crown patch, rich chestnut-brown body, and large bulbous powder-blue bill. Female is brown with pale whitish face divided by dark streak across …
About These Birds
Black-headed Duck
검은머리오리(Heteronetta atricapilla)는 남아메리카산 약 530g의 소형 잠수 오리로, 오리과의 유일한 탁란성 종이다. 다른 수조류 둥지에 알을 낳는다.
White-headed Duck
A stiff-tailed duck (~705 g) of family Anatidae, males with a distinctive white head and swollen blue bill. Breeds on brackish and freshwater lakes in Spain and Central Asia; winters in Mediterranean and Central Asian wetlands. Dives for aquatic vegetation and invertebrates. Endangered due to hunting, hybridization with introduced Ruddy Duck, and wetland loss.