Mallard vs Red-crested Pochard
Anas platyrhynchos so với Netta rufina
Side-by-Side Comparison
| Thuộc Tính | Mallard | Red-crested Pochard |
|---|---|---|
| Tên Khoa Học | Anas platyrhynchos | Netta rufina |
| Bộ | Anseriformes | Anseriformes |
| Họ | Anatidae | Anatidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | 58,0 cm (22.8 in) | — |
| Chiều Dài Sải Cánh | 90,0 cm (35.4 in) | 51,7 cm (20.4 in) |
| Khối Lượng | 1100,0 g (38.80 oz) | 1087,5 g (38.36 oz) |
| Chế Độ Ăn | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … | -- |
| Số Trứng | 4-18 | 6-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Red-crested Pochard
Large freshwater and brackish lakes, reservoirs, river deltas, and coastal lagoons across southern Europe and Central Asia. Winters on large open water bodies in southern Europe, the Middle East, and South Asia.
Song & Call Comparison
Mallard
Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.
Red-crested Pochard
Male emits a harsh, rasping errr note; female gives a loud, quacking series. The raspy male call is distinctive among pochards; alarm is an emphatic, repeated series on Eurasian lakes.
Geographic Range & Migration
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
Red-crested Pochard
Tình Trạng Bảo Tồn
Mallard
Red-crested Pochard
How to Tell Them Apart
Mallard
Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.
Broad, flat bill — yellow-green in males, orange-brown in females
Red-crested Pochard
Males have rounded orange-rufous head with bright red bill; black breast, neck and undertail; white flanks; brown back. Females dark brown with pale cheeks. Bold white wing stripe in flight. …
About These Birds
Mallard
The mallard is the ancestor of most domestic duck breeds and the most abundant and widespread dabbling duck in the world. Males perform elaborate courtship displays including head-bobbing and whistle-grunt calls. Mallards are highly adaptable, thriving in both wilderness and urban environments.
Red-crested Pochard
A large handsome diving duck. Males have a magnificent orange-red rounded head, scarlet bill, black breast and rear, and white flanks; females are brown with contrasting pale cheek. Dives and dabbles for aquatic vegetation. Found across southern Eurasia.