Henderson Petrel vs Atlantic Petrel
Pterodroma atrata 比較対象 Pterodroma incerta
Side-by-Side Comparison
| 属性 | Henderson Petrel | Atlantic Petrel |
|---|---|---|
| 学名 | Pterodroma atrata | Pterodroma incerta |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Endangered | Endangered |
| 体長 | — | — |
| 翼開長 | 59.0 cm (23.2 in) | 63.6 cm (25.0 in) |
| 体重 | 320.0 g (11.29 oz) | 515.0 g (18.17 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Endangered
Henderson Petrel
Endangered
Atlantic Petrel
About These Birds
Henderson Petrel
36–38 cm. All-dark gadfly petrel; sooty-brown with slightly paler primary patch below. Breeds Henderson Island (Pitcairn Islands). Endangered; population estimated at 5,000–10,000 pairs but vulnerable to introduced rats. Ranges in South Pacific; feeds at night on squid.
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.