Barnacle Goose vs Mallard
Branta leucopsis so với Anas platyrhynchos
Side-by-Side Comparison
| Thuộc Tính | Barnacle Goose | Mallard |
|---|---|---|
| Tên Khoa Học | Branta leucopsis | Anas platyrhynchos |
| 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 | 76,4 cm (30.1 in) | 90,0 cm (35.4 in) |
| Khối Lượng | 1685,0 g (59.44 oz) | 1100,0 g (38.80 oz) |
| Chế Độ Ăn | Large white swan grazing aquatic plants and grasses; upends for submerged vegetation; supplements diet with … | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| Số Trứng | 2-9 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Barnacle Goose
Breeds on inaccessible Arctic cliff ledges in Greenland, Svalbard, and Novaya Zemlya. Winters on coastal saltmarshes, pastures, and estuaries in northwestern Europe, particularly Scotland and Ireland.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
Barnacle Goose
A rapid, high-pitched barking 'uk-uk-uk' given rapidly in flocks. Higher-pitched and more rapid than Canada Goose. Migrating flocks create a constant excited barking chorus.
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
Barnacle Goose
Breeds in Arctic tundra of Alaska and Canada; winters on the Pacific and Atlantic coasts of the United States and northern Mexico.
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
Tình Trạng Bảo Tồn
Barnacle Goose
Mallard
How to Tell Them Apart
Barnacle Goose
Striking black, white and gray pattern. White face and forehead; black crown, neck, and upper breast. Gray back with black and white barring. White underparts. Black tail. Sexes similar; elegant …
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
Barnacle Goose
A medium-sized cleanly patterned goose with a white face, black crown, neck, and breast, grey barred back, and white belly. Breeds in the high Arctic; winters in northwestern Europe. Famous in medieval times as the subject of the legend that it hatched from barnacles.
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.