Atlantic Petrel vs Christmas Shearwater
Pterodroma incerta 比較対象 Puffinus nativitatis
Side-by-Side Comparison
| 属性 | Atlantic Petrel | Christmas Shearwater |
|---|---|---|
| 学名 | Pterodroma incerta | Puffinus nativitatis |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Endangered | Least Concern |
| 体長 | — | — |
| 翼開長 | 63.6 cm (25.0 in) | 47.1 cm (18.5 in) |
| 体重 | 515.0 g (18.17 oz) | 357.5 g (12.61 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Endangered
Atlantic Petrel
Least Concern
Christmas Shearwater
About These Birds
Atlantic Petrel
43 cm, wingspan 104 cm. Large; dark brown above with pale belly and dusky breast-band creating hooded appearance. Breeds Tristan da Cunha and Gough Island; ranges into south Atlantic and Indian Ocean. Endangered; threatened by introduced predators and longline fisheries.
Christmas Shearwater
35 cm. All-dark sooty-brown shearwater; dark bill and feet. Breeds Christmas and Palmyra islands in central Pacific; ranges in tropical Pacific. Feeds on fish and squid. Distinguished from other dark shearwaters by small size and tropical Pacific range; Near Threatened.