Common Ostrich vs Mallard
Struthio camelus 비교 대상 Anas platyrhynchos
Side-by-Side Comparison
| 속성 | Common Ostrich | Mallard |
|---|---|---|
| 학명 | Struthio camelus | Anas platyrhynchos |
| 목 | Struthioniformes | Anseriformes |
| 과 | Struthionidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 210.0 cm (82.7 in) | 58.0 cm (22.8 in) |
| 날개 폭 | 200.0 cm (78.7 in) | 90.0 cm (35.4 in) |
| 체중 | 100000.0 g (3527.40 oz) | 1100.0 g (38.80 oz) |
| 식성 | Omnivorous — plants, seeds, roots, flowers, insects, and small vertebrates. Swallows pebbles to aid digestion … | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| 산란 수 | 2-11 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Ostrich
Open arid and semi-arid habitats including savannas, Sahel, and dry woodlands across Africa.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
Common Ostrich
Male produces a surprisingly deep, resonant booming roar — remarkably lion-like. Also gives whistling and hissing sounds. Females and chicks emit softer grunts and squeaks.
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
Common Ostrich
Sub-Saharan Africa. Formerly also found in the Middle East and parts of Asia. Farmed worldwide.
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
보전 상태
Common Ostrich
Mallard
How to Tell Them Apart
Common Ostrich
Males have black body plumage with white wing and tail feathers. Females and immatures are grey-brown. Bare skin on the neck and thighs varies from pink to blue.
Broad, flat bill adapted for an omnivorous diet
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
Common Ostrich
타조는 세계에서 가장 큰 살아있는 새로, 키가 최대 2.7미터에 달한다. 날지 못하지만 시속 70km까지 달릴 수 있으며 아프리카 사바나와 초원에 서식한다. 세계에서 가장 큰 알을 낳는다.
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.