American Crow vs Common Ostrich
Corvus brachyrhynchos so với Struthio camelus
Side-by-Side Comparison
| Thuộc Tính | American Crow | Common Ostrich |
|---|---|---|
| Tên Khoa Học | Corvus brachyrhynchos | Struthio camelus |
| Bộ | Passeriformes | Struthioniformes |
| Họ | Corvidae | Struthionidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | 45,0 cm (17.7 in) | 210,0 cm (82.7 in) |
| Chiều Dài Sải Cánh | 99,0 cm (39.0 in) | 200,0 cm (78.7 in) |
| Khối Lượng | 450,0 g (15.87 oz) | 100000,0 g (3527.40 oz) |
| Chế Độ Ăn | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Omnivorous — plants, seeds, roots, flowers, insects, and small vertebrates. Swallows pebbles to aid digestion … |
| Số Trứng | 3-7 | 2-11 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Môi Trường Sống Chung
Không
American Crow only
Common Ostrich only
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Common Ostrich
Open arid and semi-arid habitats including savannas, Sahel, and dry woodlands across Africa.
Song & Call Comparison
American Crow
Classic 'caw-caw-caw' repeated in series. Family groups use distinct dialects. Also gives rattling, knocking, and a short 'cah' flight call. Highly social and vocal.
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.
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Common Ostrich
Sub-Saharan Africa. Formerly also found in the Middle East and parts of Asia. Farmed worldwide.
Tình Trạng Bảo Tồn
American Crow
Common Ostrich
How to Tell Them Apart
American Crow
All black with a slight glossy sheen. Squared-off tail and smooth throat distinguish it from the common raven.
Straight, sturdy black bill smaller than a raven's
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
About These Birds
American Crow
The American crow is one of North America's most familiar and intelligent birds. Research has shown they can recognize individual human faces and communicate perceived threats to other crows. They form large winter roosts of up to hundreds of thousands of individuals in some cities.
Common Ostrich
The common ostrich is the world's largest living bird, standing up to 2.7 meters tall and weighing up to 145 kg. Despite being flightless, it is the fastest bird on land, sprinting at speeds up to 70 km/h. Ostrich eggs are the largest of any living bird, weighing about 1.4 kg each.