Mallard vs Hartlaub's Duck
Anas platyrhynchos 对比 Pteronetta hartlaubii
Side-by-Side Comparison
| 属性 | Mallard | Hartlaub's Duck |
|---|---|---|
| 学名 | Anas platyrhynchos | Pteronetta hartlaubii |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 58.0 cm (22.8 in) | — |
| 翼展 | 90.0 cm (35.4 in) | 53.4 cm (21.0 in) |
| 体重 | 1100.0 g (38.80 oz) | 910.0 g (32.10 oz) |
| 食性 | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … | Eats seeds, aquatic invertebrates, and plant matter; dabbles in ponds and marshes; diet more invertebrate-heavy … |
| 产卵数 | 4-18 | 7-11 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Hartlaub's Duck
Tropical rainforest streams, forest pools, and shaded swamps from Guinea and Sierra Leone east through the Congo Basin to Uganda and western Kenya. Requires undisturbed riverine forest with shaded water.
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.
Hartlaub's Duck
A low, nasal 'quack' and soft 'kek-kek'. Generally quieter than other perching ducks. Calls from dense Central and West African rainforest where it is rarely observed.
Geographic Range & Migration
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
Hartlaub's Duck
Breeds in wetlands across Eurasia; winters from Africa and the Middle East to South and Southeast Asia.
保护状况
Mallard
Hartlaub's Duck
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
Hartlaub's Duck
Dark chocolate-brown body; white patches at side of head distinctive. Males have dark blue frontal shield extending from bill. Wings show pale blue-gray inner forewing. Legs gray. West African forest …
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.
Hartlaub's Duck
哈氏鸭是中西非特有的林栖鸭，分布于喀麦隆、加蓬、刚果等热带雨林地区。外形独特，介于树鸭和真正的鸭之间，被置于单型属中。雄鸟头颈蓝黑色，体羽棕褐色；雌鸟相似但较暗淡。栖息于热带雨林的河流和溪流，习性较隐秘，相关生态学研究较少。