Tufted Duck vs Spotted Whistling-duck
Aythya fuligula so với Dendrocygna guttata
Side-by-Side Comparison
| Thuộc Tính | Tufted Duck | Spotted Whistling-duck |
|---|---|---|
| Tên Khoa Học | Aythya fuligula | Dendrocygna guttata |
| Bộ | Anseriformes | Anseriformes |
| Họ | Anatidae | Anatidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 39,4 cm (15.5 in) | 41,3 cm (16.3 in) |
| Khối Lượng | 700,0 g (24.69 oz) | 677,5 g (23.90 oz) |
| Chế Độ Ăn | Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled benthic prey in coastal … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| Số Trứng | 3-22 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Tufted Duck only
Không
Spotted Whistling-duck only
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.
Spotted Whistling-duck
Freshwater wetlands, rice fields, streams, and forest pools in New Guinea, Sulawesi, the Philippines, and Moluccas. Often found near forested rivers and seasonal swamps at low elevations.
Song & Call Comparison
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 …
Spotted Whistling-duck
A musical, high whistle similar to other whistling-ducks. Call is softer and less far-carrying than White-faced or Black-bellied species. Given in flight and on water.
Geographic Range & Migration
Tufted Duck
Breeds in sub-Arctic and boreal Canada; winters along the Atlantic coast and in the Caribbean. Rare elsewhere in winter.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
Tình Trạng Bảo Tồn
Tufted Duck
Spotted Whistling-duck
How to Tell Them Apart
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 …
Spotted Whistling-duck
Dark brown above; head and neck dark brown. Underparts heavily spotted white on dark brown ground, giving spotted appearance. Flanks with bold white spots. Pink-red bill and legs. Sexes similar.
About These Birds
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.
Spotted Whistling-duck
A small dark brown whistling-duck with bold white spots on its flanks, orange-red bill and legs, and a pale face. Found in tropical wetlands of New Guinea, the Philippines, and Indonesia. Often found near freshwater streams and flooded grassland. Less gregarious than other whistling-ducks.