Polynesian Imperial-pigeon vs Rock Pigeon
Ducula aurorae 비교 대상 Columba livia
Side-by-Side Comparison
| 속성 | Polynesian Imperial-pigeon | Rock Pigeon |
|---|---|---|
| 학명 | Ducula aurorae | Columba livia |
| 목 | Columbiformes | Columbiformes |
| 과 | Columbidae | Columbidae |
| 보전 상태 | Endangered | Least Concern |
| 체장 | — | 33.0 cm (13.0 in) |
| 날개 폭 | 46.8 cm (18.4 in) | 68.0 cm (26.8 in) |
| 체중 | 507.2 g (17.89 oz) | 300.0 g (10.58 oz) |
| 식성 | -- | Seeds, grain, fruit, and human food scraps. Primarily a ground feeder. Feral birds are heavily … |
| 산란 수 | -- | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Rock Pigeon
Originally cliff-nesting in Mediterranean regions. Now the quintessential urban bird, inhabiting cities worldwide on every continent.
Song & Call Comparison
Polynesian Imperial-pigeon
Rock Pigeon
Soft, rhythmic cooing 'roo-c'too-coo' repeated multiple times, with emphasis on second syllable. Male courtship coo is deeper and more persistent. Wing-clapping on takeoff is loud.
Geographic Range & Migration
Polynesian Imperial-pigeon
Rock Pigeon
Native to Europe, North Africa, and South Asia. Feral populations on every continent except Antarctica.
보전 상태
Polynesian Imperial-pigeon
Rock Pigeon
How to Tell Them Apart
Polynesian Imperial-pigeon
Rock Pigeon
Wild-type has a blue-grey body with iridescent green and purple neck feathers, two black wing bars, and a white rump. Feral populations show enormous color variation.
Slender dark bill with a white fleshy cere at the base
About These Birds
Polynesian Imperial-pigeon
폴리네시아왕비둘기(Ducula aurorae), 43 cm. 엷은 회백색 머리·아랫면; 짙은 금속성 녹색 윗면. 프랑스령 폴리네시아 소시에테 제도(타히티, 마우피티) 고유종. 산지·저지 삼림에 서식. 위기종; 심한 사냥과 도입 포식자로 급격한 감소.
Rock Pigeon
The rock pigeon is the ancestor of all domestic pigeon breeds and one of the most abundant birds in cities worldwide. Pigeons have served humans as messengers, food, and subjects for scientific research — their homing ability and vision have been studied extensively. Darwin's study of pigeon breeding contributed to his theory of evolution.