Common Raven vs European Roller
Corvus corax 비교 대상 Coracias garrulus
Side-by-Side Comparison
| 속성 | Common Raven | European Roller |
|---|---|---|
| 학명 | Corvus corax | Coracias garrulus |
| 목 | Passeriformes | Coraciiformes |
| 과 | Corvidae | Coraciidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 63.0 cm (24.8 in) | 31.0 cm (12.2 in) |
| 날개 폭 | 130.0 cm (51.2 in) | 66.0 cm (26.0 in) |
| 체중 | 1200.0 g (42.33 oz) | 130.0 g (4.59 oz) |
| 식성 | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | Large insects, especially beetles, grasshoppers, and crickets. Also takes small reptiles, frogs, and scorpions. Hunts … |
| 산란 수 | 1-8 | 3-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Raven
Diverse habitats from Arctic tundra to deserts, mountains, forests, and coastlines. Avoids dense urban areas but thrives near human activity.
European Roller
Warm, dry, open country with scattered trees and nest holes. Breeds in tree cavities, earth banks, and nest boxes.
Song & Call Comparison
Common Raven
Highly varied: deep resonant 'kraa-kraa-kraa', hollow 'tok-tok', liquid 'klonk', and wing-whooshing. Among the most intelligent corvid callers; uses calls contextually in groups.
European Roller
A harsh, grating 'rack-rack' or 'quarrk' in flight. Gives a variety of sharp nasal calls at the nest. Not melodic; primary vocalizations are alarm and contact calls.
Geographic Range & Migration
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
European Roller
Southern and eastern Europe, Central Asia, and North Africa. Winters in sub-Saharan Africa.
보전 상태
Common Raven
European Roller
How to Tell Them Apart
Common Raven
All black with a glossy purplish-blue iridescent sheen. Shaggy throat hackles, long wedge-shaped tail, and large robust build distinguish it from crows.
Large, powerful, curved black bill
European Roller
Turquoise-blue head, breast, and tail. Chestnut-brown back. Vivid ultramarine blue and black wing patches visible in flight.
Short, stout, dark hooked bill
About These Birds
Common Raven
큰까마귀는 가장 지능적인 조류 중 하나로, 도구 사용, 미래 계획, 복잡한 사회적 행동을 보인다. 전반적으로 광택 있는 검은 깃털을 가지며 북반구 전역의 다양한 서식지에 서식한다.
European Roller
파랑새롤러는 비행 중 구르고 굴러다니는 화려한 공중 묘기에서 이름을 얻었다. 수컷은 번식기에 이 공중 묘기로 암컷을 유혹한다. 밝은 파란색과 밤색이 눈에 띈다.