Grey-green Fruit-dove vs Rock Pigeon
Ptilinopus purpuratus 비교 대상 Columba livia
Side-by-Side Comparison
| 속성 | Grey-green Fruit-dove | Rock Pigeon |
|---|---|---|
| 학명 | Ptilinopus purpuratus | Columba livia |
| 목 | Columbiformes | Columbiformes |
| 과 | Columbidae | Columbidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 33.0 cm (13.0 in) |
| 날개 폭 | 29.0 cm (11.4 in) | 68.0 cm (26.8 in) |
| 체중 | 103.5 g (3.65 oz) | 300.0 g (10.58 oz) |
| 식성 | -- | Seeds, grain, fruit, and human food scraps. Primarily a ground feeder. Feral birds are heavily … |
| 산란 수 | 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
Grey-green 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
Grey-green Fruit-dove
Rock Pigeon
Native to Europe, North Africa, and South Asia. Feral populations on every continent except Antarctica.
보전 상태
Grey-green Fruit-dove
Rock Pigeon
How to Tell Them Apart
Grey-green 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
Grey-green Fruit-dove
Grey-green Fruit-dove (Ptilinopus purpuratus), 22 cm. Mostly dull grey-green with a lavender-grey head and white orbital ring; endemic to the Society Islands and Tuamotu Archipelago of French Polynesia. Inhabits coastal to montane forest. Frugivore. Least Concern; common on larger 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.