Hooded Merganser vs Mallard
Lophodytes cucullatus เปรียบเทียบกับ Anas platyrhynchos
Side-by-Side Comparison
| คุณสมบัติ | Hooded Merganser | Mallard |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Lophodytes cucullatus | Anas platyrhynchos |
| อันดับ | Anseriformes | Anseriformes |
| วงศ์ตระกูล | Anatidae | Anatidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | 58.0 cm (22.8 in) |
| กว้างปีก | 37.3 cm (14.7 in) | 90.0 cm (35.4 in) |
| น้ำหนัก | 638.0 g (22.50 oz) | 1100.0 g (38.80 oz) |
| อาหาร | Dives for small fish, aquatic invertebrates, and frogs in clear freshwater streams and ponds. Uses … | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| จำนวนไข่ | 6-18 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
Hooded Merganser
Male produces a low, rolling rolling-tum tumbling call; female gives a harsh, grating quack. The male's frog-like rolling call is unique among North American ducks during winter courtship.
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.
Geographic Range & Migration
Hooded Merganser
Breeds in forested wetlands of North America from southern Canada to the northern United States. Winters on rivers and lakes south to Mexico.
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
สถานะการอนุรักษ์
Hooded Merganser
Mallard
How to Tell Them Apart
Hooded Merganser
Male has fan-shaped black-and-white erectile crest; black head and neck, white breast with two black bars, rich cinnamon flanks. Female is greyish-brown with rusty-cinnamon crest, paler below.
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
About These Birds
Hooded Merganser
A small fish-eating duck (~640 g) of family Anatidae, males bearing a dramatic fan-shaped black and white crest. Breeds in wooded swamps, rivers, and lakes in North America, nesting in tree cavities; winters on sheltered coastal and inland waters. Uses keen underwater vision to hunt fish and crayfish. Least Concern; benefiting from nest box programs.
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.