Chatham Islands Pigeon vs Rock Pigeon
Hemiphaga chathamensis 对比 Columba livia
Side-by-Side Comparison
| 属性 | Chatham Islands Pigeon | Rock Pigeon |
|---|---|---|
| 学名 | Hemiphaga chathamensis | Columba livia |
| 目 | Columbiformes | Columbiformes |
| 科 | Columbidae | Columbidae |
| 保护状况 | Vulnerable | Least Concern |
| 体长 | — | 33.0 cm (13.0 in) |
| 翼展 | 54.4 cm (21.4 in) | 68.0 cm (26.8 in) |
| 体重 | 734.5 g (25.91 oz) | 300.0 g (10.58 oz) |
| 食性 | -- | Seeds, grain, fruit, and human food scraps. Primarily a ground feeder. Feral birds are heavily … |
| 产卵数 | 1 | 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
Chatham Islands 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
Chatham Islands Pigeon
Rock Pigeon
Native to Europe, North Africa, and South Asia. Feral populations on every continent except Antarctica.
保护状况
Chatham Islands Pigeon
Rock Pigeon
How to Tell Them Apart
Chatham Islands 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
Chatham Islands Pigeon
查塔姆岛鸽是新西兰查塔姆群岛的特有鸽子，现已极为稀少。体型较大，羽色绿色和金铜色，具独特色泽。栖息于查塔姆岛的原始森林，以浆果和果实为食。因引进天敌和栖息地破坏，被列为易危物种。
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.