Rock Pigeon vs Thick-billed Ground-pigeon
Columba livia เปรียบเทียบกับ Trugon terrestris
Side-by-Side Comparison
| คุณสมบัติ | Rock Pigeon | Thick-billed Ground-pigeon |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Columba livia | Trugon terrestris |
| อันดับ | Columbiformes | Columbiformes |
| วงศ์ตระกูล | Columbidae | Columbidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | 33.0 cm (13.0 in) | — |
| กว้างปีก | 68.0 cm (26.8 in) | 34.7 cm (13.7 in) |
| น้ำหนัก | 300.0 g (10.58 oz) | 375.75 g (13.25 oz) |
| อาหาร | Seeds, grain, fruit, and human food scraps. Primarily a ground feeder. Feral birds are heavily … | -- |
| จำนวนไข่ | 2 | 1 |
| 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
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.
Thick-billed Ground-pigeon
Soft, thick-billed cooing with resonant quality; deep warm notes through dense New Guinea lowland forest.
Geographic Range & Migration
Rock Pigeon
Native to Europe, North Africa, and South Asia. Feral populations on every continent except Antarctica.
Thick-billed Ground-pigeon
สถานะการอนุรักษ์
Rock Pigeon
Thick-billed Ground-pigeon
How to Tell Them Apart
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
Thick-billed Ground-pigeon
Croaking Ground Dove: brown; rufous wing patches; pale below; scaly neck; short tail; Peruvian Pacific slope ground dove
About These Birds
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.
Thick-billed Ground-pigeon
Stout, medium-large ground pigeon, 28–32 cm, with olive-brown upperparts, a thick pale bill, white facial markings, and rufous-barred underparts. Restricted to dense lowland and foothill rainforest of New Guinea. Terrestrial forager of seeds, fallen fruits, and invertebrates on the forest floor. Least Concern.