Musk Duck vs Black-headed Duck
Biziura lobata 对比 Heteronetta atricapilla
Side-by-Side Comparison
| 属性 | Musk Duck | Black-headed Duck |
|---|---|---|
| 学名 | Biziura lobata | Heteronetta atricapilla |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 42.3 cm (16.7 in) | 34.7 cm (13.7 in) |
| 体重 | 1930.75 g (68.11 oz) | 528.5 g (18.64 oz) |
| 食性 | Dives for aquatic invertebrates, small fish, and plant material in Australian freshwater lakes. Highly aquatic; … | Parasitic; adults may feed on aquatic plants, seeds, and invertebrates in South American marshes. Diet … |
| 产卵数 | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Musk Duck
Male produces a loud, explosive plonk call followed by bill-drumming on the water surface; female gives a harsh quack. The male's bizarre splashing display is unique and unmistakable among Australian …
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.
Geographic Range & Migration
Musk Duck
Endemic to southern Australia, including southeastern and southwestern regions. Found on wetlands with lignum and reeds.
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.
保护状况
Musk Duck
Black-headed Duck
How to Tell Them Apart
Musk Duck
Both sexes are uniformly dark sooty-brown, densely barred and vermiculated with black; male has distinctive pendulous black lobe hanging below bill. Females and immatures are smaller and lack the lobe.
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.
About These Birds
Musk Duck
Australia's largest stiff-tailed duck (~1.9 kg), family Anatidae, males bearing a leathery lobe pendant from the bill. Inhabits deep permanent freshwater lakes and swamps in southern Australia. Males emit a musky odor during courtship displays. Dives for fish, frogs, crustaceans, and mollusks. Least Concern; solitary and rarely seen due to secretive behavior.
Black-headed Duck
黑头鸭是南美洲的寄生性鸭子，不自己筑巢，而将卵产于其他水鸟（包括其他鸭类、䴙䴘、红鹭等）的巢中，由寄主孵化并抚育。分布于阿根廷、乌拉圭、智利和巴西南部。雄鸟头部黑色，体羽深褐色；雌鸟头部褐色。是唯一真正的全职巢寄生鸭类。