Mallard vs Common Scoter
Anas platyrhynchos 비교 대상 Melanitta nigra
Side-by-Side Comparison
| 속성 | Mallard | Common Scoter |
|---|---|---|
| 학명 | Anas platyrhynchos | Melanitta nigra |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 58.0 cm (22.8 in) | — |
| 날개 폭 | 90.0 cm (35.4 in) | 44.2 cm (17.4 in) |
| 체중 | 1100.0 g (38.80 oz) | 1127.25 g (39.76 oz) |
| 식성 | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … | Dives for bivalves, especially cockles, mussels, and clams, in shallow coastal seas. Also eats crustaceans … |
| 산란 수 | 4-18 | 6-8 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
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.
Common Scoter
Male gives a soft, piping whistle; female produces a harsh, rasping call. The male's piping whistle is subtle; female's harsh calls dominate on European winter coasts and estuaries.
Geographic Range & Migration
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
Common Scoter
Breeds on moorland and boreal tundra from Iceland and Britain east to western Siberia. Winters on northwestern European coasts and the Baltic Sea.
보전 상태
Mallard
Common Scoter
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
Common Scoter
Male is entirely sooty black without white markings; orange-yellow patch on upper bill with small black knob. Female brownish-black above with contrasting pale cream cheeks and throat.
About These Birds
Mallard
가장 잘 알려진 야생 오리로 체장 50–65cm이며, 수컷은 광택 있는 녹색 머리와 노란 부리, 자주빛 갈색 가슴, 흰색 목 고리를 갖는다. 북반구 전역과 호주에 귀화하여 온대 내지 아열대 습지, 호수, 강, 도시 공원에 서식한다. 잡식성으로 식물, 곤충, 작은 어류를 먹는다. 관심 필요 종이다.
Common Scoter
대형 해오리로 체장 43–54cm이며, 수컷은 전신이 검은색에 노란색 부리 혹을 갖는다. 유라시아 북부의 습지에서 번식하고 유럽 해안에서 월동한다. 잠수하여 연체동물, 갑각류, 수생 곤충을 먹는다. 관심 필요 종이다.