Spotted Whistling-duck vs Southern Pochard
Dendrocygna guttata so với Netta erythrophthalma
Side-by-Side Comparison
| Thuộc Tính | Spotted Whistling-duck | Southern Pochard |
|---|---|---|
| Tên Khoa Học | Dendrocygna guttata | Netta erythrophthalma |
| Bộ | Anseriformes | Anseriformes |
| Họ | Anatidae | Anatidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 41,3 cm (16.3 in) | 41,6 cm (16.4 in) |
| Khối Lượng | 677,5 g (23.90 oz) | 820,8 g (28.95 oz) |
| Chế Độ Ăn | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … | Dives for molluscs, crustaceans, and aquatic invertebrates; eats hard-shelled prey; diet shifts with coastal habitat … |
| Số Trứng | 10-11 | 5-15 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Spotted Whistling-duck only
Southern Pochard only
Không
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.
Southern Pochard
Freshwater and brackish lakes, pans, and marshes in sub-Saharan Africa and separately in Colombia, Venezuela, Peru, and Ecuador. Nomadic in Africa; follows seasonal flooding.
Song & Call Comparison
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.
Southern Pochard
Male gives a harsh, buzzy churr; female produces a series of resonant quacks. The male's buzzy display call is subdued; the female's loud, emphatic quacking dominates African wetland sounds.
Geographic Range & Migration
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
Southern Pochard
Breeds across northern North America; winters along both coasts, the Gulf of Mexico, and in the Caribbean Basin.
Tình Trạng Bảo Tồn
Spotted Whistling-duck
Southern Pochard
How to Tell Them Apart
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.
Southern Pochard
Males deep brown with iridescent black head and red eye; pale blue-gray bill with dark tip. Females brown with pale face and pale crescent behind eye. White wing stripe in …
About These Birds
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.
Southern Pochard
A medium-sized diving duck. Males have a dark chestnut-brown head and body with a white eye-ring and red eye; females are brown with white facial crescent. Found in sub-Saharan Africa and South America. Nomadic in Africa; follows water availability.