Tongan Fruit-dove vs Rock Pigeon
Ptilinopus porphyraceus 比較対象 Columba livia
Side-by-Side Comparison
| 属性 | Tongan Fruit-dove | Rock Pigeon |
|---|---|---|
| 学名 | Ptilinopus porphyraceus | Columba livia |
| 目 | Columbiformes | Columbiformes |
| 科 | Columbidae | Columbidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 33.0 cm (13.0 in) |
| 翼開長 | 26.6 cm (10.5 in) | 68.0 cm (26.8 in) |
| 体重 | 99.9 g (3.52 oz) | 300.0 g (10.58 oz) |
| 食性 | -- | Seeds, grain, fruit, and human food scraps. Primarily a ground feeder. Feral birds are heavily … |
| 一腹卵数 | 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
Tongan Fruit-dove
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
Tongan Fruit-dove
Rock Pigeon
Native to Europe, North Africa, and South Asia. Feral populations on every continent except Antarctica.
保全状況
Tongan Fruit-dove
Rock Pigeon
How to Tell Them Apart
Tongan Fruit-dove
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
Tongan Fruit-dove
Tongan Fruit-dove (Ptilinopus porphyraceus), 24 cm. Green with a rose-purple crown and a yellow belly. Found across Micronesia, Samoa, Tonga and the Caroline Islands. Inhabits primary forest and plantations. Frugivore. Least Concern; common on most islands.
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.