Pacific Imperial-pigeon vs Rock Pigeon
Ducula pacifica compared with Columba livia
Side-by-Side Comparison
| Attribute | Pacific Imperial-pigeon | Rock Pigeon |
|---|---|---|
| Scientific Name | Ducula pacifica | Columba livia |
| Order | Columbiformes | Columbiformes |
| Family | Columbidae | Columbidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | 33.0 cm (13.0 in) |
| Wingspan | 48.9 cm (19.3 in) | 68.0 cm (26.8 in) |
| Weight | 395.0 g (13.93 oz) | 300.0 g (10.58 oz) |
| Diet | -- | Seeds, grain, fruit, and human food scraps. Primarily a ground feeder. Feral birds are heavily … |
| Clutch Size | 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
Pacific 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
Pacific Imperial-pigeon
Rock Pigeon
Native to Europe, North Africa, and South Asia. Feral populations on every continent except Antarctica.
Conservation Status
Pacific Imperial-pigeon
Rock Pigeon
How to Tell Them Apart
Pacific 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
Pacific Imperial-pigeon
Pacific Imperial-pigeon (Ducula pacifica), 38 cm. Pale pinkish-grey head and underparts with metallic green wings and a dark terminal tail band. Widespread across Polynesia from Tonga to Samoa and Tokelau. Inhabits coastal and inland forest. Frugivore. Least Concern; still common across Pacific.
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.