American Crow vs Grey Crow
Corvus brachyrhynchos 비교 대상 Corvus tristis
Side-by-Side Comparison
| 속성 | American Crow | Grey Crow |
|---|---|---|
| 학명 | Corvus brachyrhynchos | Corvus tristis |
| 목 | Passeriformes | Passeriformes |
| 과 | Corvidae | Corvidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 45.0 cm (17.7 in) | — |
| 날개 폭 | 99.0 cm (39.0 in) | 64.9 cm (25.6 in) |
| 체중 | 450.0 g (15.87 oz) | 635.0 g (22.40 oz) |
| 식성 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | -- |
| 산란 수 | 3-7 | 2 |
| Population Trend | — | — |
Size Comparison
Body Length
American Crow
45.0 cm
Grey Crow
—
날개 폭
American Crow
99.0 cm
Grey Crow
64.9 cm
체중
American Crow
450.0 g
Grey Crow
635.0 g
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Song & Call Comparison
American Crow
노래
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.
Grey Crow
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Grey Crow
보전 상태
Least Concern
American Crow
Least Concern
Grey Crow
How to Tell Them Apart
American Crow
깃털
All black with a slight glossy sheen. Squared-off tail and smooth throat distinguish it from the common raven.
부리
Straight, sturdy black bill smaller than a raven's
Grey Crow
About These Birds
American Crow
미국까마귀는 북미에서 가장 친숙하고 지능이 높은 새 중 하나이다. 연구에 따르면 도구를 사용하고, 인간 얼굴을 기억하며, 복잡한 사회 구조를 이룬다. 북미 전역의 다양한 서식지에 적응력이 뛰어나게 서식한다.