Papuan Mountain-pigeon vs Rock Pigeon
Gymnophaps albertisii so với Columba livia
Side-by-Side Comparison
| Thuộc Tính | Papuan Mountain-pigeon | Rock Pigeon |
|---|---|---|
| Tên Khoa Học | Gymnophaps albertisii | Columba livia |
| Bộ | Columbiformes | Columbiformes |
| Họ | Columbidae | Columbidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | 33,0 cm (13.0 in) |
| Chiều Dài Sải Cánh | 40,0 cm (15.7 in) | 68,0 cm (26.8 in) |
| Khối Lượng | 259,0 g (9.14 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 | 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
Papuan Mountain-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
Papuan Mountain-pigeon
Rock Pigeon
Native to Europe, North Africa, and South Asia. Feral populations on every continent except Antarctica.
Tình Trạng Bảo Tồn
Papuan Mountain-pigeon
Rock Pigeon
How to Tell Them Apart
Papuan Mountain-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
Papuan Mountain-pigeon
Papuan Mountain-pigeon (Gymnophaps albertisii), 35 cm. Robust montane pigeon; dark sooty-grey with a chestnut belly. Found in primary montane forest of New Guinea from 1,200 to 3,600 m. Frugivore. Least Concern; common in upper montane and subalpine forest.
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.