Rock Pigeon vs Pemba Green-pigeon
Columba livia 比較対象 Treron pembaensis
Side-by-Side Comparison
| 属性 | Rock Pigeon | Pemba Green-pigeon |
|---|---|---|
| 学名 | Columba livia | Treron pembaensis |
| 目 | Columbiformes | Columbiformes |
| 科 | Columbidae | Columbidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | 33.0 cm (13.0 in) | — |
| 翼開長 | 68.0 cm (26.8 in) | 33.8 cm (13.3 in) |
| 体重 | 300.0 g (10.58 oz) | 205.0 g (7.23 oz) |
| 食性 | Seeds, grain, fruit, and human food scraps. Primarily a ground feeder. Feral birds are heavily … | -- |
| 一腹卵数 | 2 | 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
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.
Pemba Green-pigeon
Geographic Range & Migration
Rock Pigeon
Native to Europe, North Africa, and South Asia. Feral populations on every continent except Antarctica.
Pemba Green-pigeon
保全状況
Rock Pigeon
Pemba Green-pigeon
How to Tell Them Apart
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
Pemba Green-pigeon
About These Birds
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.
Pemba Green-pigeon
ペンバグリーンピジョンはタンザニアのペンバ島に固有の絶滅危惧種のアオバトです。個体数が非常に少ない希少種です。