Atlantic Petrel vs Pycroft's Petrel
Pterodroma incerta 比較対象 Pterodroma pycrofti
Side-by-Side Comparison
| 属性 | Atlantic Petrel | Pycroft's Petrel |
|---|---|---|
| 学名 | Pterodroma incerta | Pterodroma pycrofti |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Endangered | Vulnerable |
| 体長 | — | — |
| 翼開長 | 63.6 cm (25.0 in) | 42.8 cm (16.9 in) |
| 体重 | 515.0 g (18.17 oz) | 156.5 g (5.52 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Endangered
Atlantic Petrel
Vulnerable
Pycroft's Petrel
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.
Pycroft's Petrel
26–28 cm. Small; pale grey above with dark M-mark; white underparts with partial dark collar. Breeds small islands off northern New Zealand (Poor Knights, Hen & Chickens). Vulnerable; migrates to North Pacific. Feeds on squid and fish; nocturnal at colonies; threatened by rats.