Timor Imperial-pigeon vs Rock Pigeon
Ducula cineracea so với Columba livia
Side-by-Side Comparison
| Thuộc Tính | Timor Imperial-pigeon | Rock Pigeon |
|---|---|---|
| Tên Khoa Học | Ducula cineracea | Columba livia |
| Bộ | Columbiformes | Columbiformes |
| Họ | Columbidae | Columbidae |
| Tình Trạng Bảo Tồn | Near Threatened | Least Concern |
| Chiều Dài | — | 33,0 cm (13.0 in) |
| Chiều Dài Sải Cánh | 43,0 cm (16.9 in) | 68,0 cm (26.8 in) |
| Khối Lượng | 507,19 g (17.89 oz) | 300,0 g (10.58 oz) |
| Chế Độ Ăn | -- | Seeds, grain, fruit, and human food scraps. Primarily a ground feeder. Feral birds are heavily … |
| Số Trứng | -- | 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
Timor 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
Timor Imperial-pigeon
Rock Pigeon
Native to Europe, North Africa, and South Asia. Feral populations on every continent except Antarctica.
Tình Trạng Bảo Tồn
Timor Imperial-pigeon
Rock Pigeon
How to Tell Them Apart
Timor 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
Timor Imperial-pigeon
Timor Imperial-pigeon (Ducula cineracea), 40 cm. Pale grey throughout with dark metallic green flight feathers. Endemic to Timor-Leste and Wetar Island, Indonesia. Inhabits primary montane forest above 600 m. Frugivore. Vulnerable; small range and ongoing habitat degradation.
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.