Mallard vs 뱀잡이수리
Anas platyrhynchos 비교 대상 Sagittarius serpentarius
Side-by-Side Comparison
| 속성 | Mallard | 뱀잡이수리 |
|---|---|---|
| 학명 | Anas platyrhynchos | Sagittarius serpentarius |
| 목 | Anseriformes | Accipitriformes |
| 과 | Anatidae | Sagittariidae |
| 보전 상태 | Least Concern | Endangered |
| 체장 | 58.0 cm (22.8 in) | 130.0 cm (51.2 in) |
| 날개 폭 | 90.0 cm (35.4 in) | 210.0 cm (82.7 in) |
| 체중 | 1100.0 g (38.80 oz) | 3700.0 g (130.51 oz) |
| 식성 | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … | Snakes, lizards, small mammals, and large insects. Hunts on foot, stomping prey to death with … |
| 산란 수 | 4-18 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
뱀잡이수리
Open grasslands, savannas, and light woodland across sub-Saharan Africa. Avoids dense forests and very arid regions.
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.
뱀잡이수리
A surprisingly deep, resonant croaking 'kowrr-kowrr' often heard at dawn on African savannas. Also gives pig-like grunting sounds. Mostly silent compared to true songbirds.
Geographic Range & Migration
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
뱀잡이수리
Sub-Saharan Africa from Senegal and Somalia south to South Africa. Resident throughout its range.
보전 상태
Mallard
뱀잡이수리
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
뱀잡이수리
Grey body plumage with black flight feathers and thigh feathers. Distinctive long black crest feathers trail from the back of the head. Orange-red bare facial skin.
Short, strong, hooked greyish bill with a yellowish cere
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.
뱀잡이수리
The secretary bird is the only raptor that hunts primarily on foot, striding through grasslands on crane-like legs up to 1.2 meters tall. Its name may derive from the crest feathers resembling quill pens tucked behind a secretary's ear. The species is classified as Endangered due to habitat loss and decline across much of its range.