American Crow vs Thick-billed Raven
Corvus brachyrhynchos 비교 대상 Corvus crassirostris
Side-by-Side Comparison
| 속성 | American Crow | Thick-billed Raven |
|---|---|---|
| 학명 | Corvus brachyrhynchos | Corvus crassirostris |
| 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) | 89.4 cm (35.2 in) |
| 체중 | 450.0 g (15.87 oz) | 1135.0 g (40.04 oz) |
| 식성 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | -- |
| 산란 수 | 3-7 | 4 |
| Population Trend | — | — |
Size Comparison
Body Length
American Crow
45.0 cm
Thick-billed Raven
—
날개 폭
American Crow
99.0 cm
Thick-billed Raven
89.4 cm
체중
American Crow
450.0 g
Thick-billed Raven
1135.0 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.
Thick-billed Raven
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Thick-billed Raven
보전 상태
Least Concern
American Crow
Least Concern
Thick-billed Raven
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
Thick-billed Raven
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.