African Black Duck vs Tufted Duck
Anas sparsa so với Aythya fuligula
Side-by-Side Comparison
| Thuộc Tính | African Black Duck | Tufted Duck |
|---|---|---|
| Tên Khoa Học | Anas sparsa | Aythya fuligula |
| Bộ | Anseriformes | Anseriformes |
| Họ | Anatidae | Anatidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 49,5 cm (19.5 in) | 39,4 cm (15.5 in) |
| Khối Lượng | 996,8333333333334 g (35.16 oz) | 700,0 g (24.69 oz) |
| Chế Độ Ăn | Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal and freshwater habitats; diet heavier in … | Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled benthic prey in coastal … |
| Số Trứng | 4-9 | 3-22 |
| Population Trend | — | — |
Habitat Comparison
African Black Duck
Fast-flowing rocky rivers and streams, mountain gorges, and waterfalls from sea level to 4,000 m across sub-Saharan Africa from Ethiopia and Kenya south to the Cape. Requires clear turbulent water with boulders.
Tufted Duck
Breeds on freshwater lakes and rivers with emergent vegetation across Eurasia from Iceland and western Europe east to Siberia and Japan. Winters on large open lakes, reservoirs, and sheltered coastal bays.
Song & Call Comparison
African Black Duck
Produces a harsh, resonant quacking call; alarm is a loud, emphatic quack repeated rapidly. Both sexes call with strong quacking; pairs duet with synchronized calls along African rivers.
Tufted Duck
Male emits a soft, low wheeze; female gives a grating, repeated quack. A common call on Eurasian freshwater lakes; male's soft purring is quiet while female's quacking is emphatic and …
Geographic Range & Migration
African Black Duck
Resident across South and Southeast Asia, from India to southern China and the Philippines. Non-migratory in most of its range.
Tufted Duck
Breeds in sub-Arctic and boreal Canada; winters along the Atlantic coast and in the Caribbean. Rare elsewhere in winter.
Tình Trạng Bảo Tồn
African Black Duck
Tufted Duck
How to Tell Them Apart
African Black Duck
Dark blackish-brown plumage with bold white spots on back and scapulars. Iridescent blue-green speculum with white borders. Head dark with pale spots. Bill and legs dark gray. Sexes similar. Fast-flowing …
Tufted Duck
Males black with white flanks; rounded head with long drooping black tuft. Yellow eye. Females dark brown with shorter tuft; pale flanks; sometimes white at base of bill. Bold white …
About These Birds
African Black Duck
A medium-sized dark brown duck with white spots on the back, a dark bill, and orange legs. Found along fast-flowing rocky rivers and streams in Africa. Territorial and monogamous; pairs defend stretches of river. Related to Pacific Black Duck.
Tufted Duck
A small compact diving duck. Males are boldly black-and-white with a drooping crest; females are brown with a shorter crest. Common and widespread across Eurasia. Males are highly distinctive. Dives for molluscs, invertebrates, and plants in freshwater and coastal habitats.