Chatham Islands Petrel vs Atlantic Petrel
Pterodroma axillaris 比較対象 Pterodroma incerta
Side-by-Side Comparison
| 属性 | Chatham Islands Petrel | Atlantic Petrel |
|---|---|---|
| 学名 | Pterodroma axillaris | Pterodroma incerta |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Vulnerable | Endangered |
| 体長 | — | — |
| 翼開長 | 42.4 cm (16.7 in) | 63.6 cm (25.0 in) |
| 体重 | 226.25 g (7.98 oz) | 515.0 g (18.17 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Vulnerable
Chatham Islands Petrel
Endangered
Atlantic Petrel
About These Birds
Chatham Islands Petrel
30 cm. Small; dark grey above with white forehead and underparts; distinctive black axillaries. Critically Endangered; breeds only South East Island, Chatham Islands (few hundred pairs). Threatened by weka predation; intensive management sustains population. Ranges in temperate Pacific.
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.