Wedge-tailed Shearwater vs Atlantic Petrel
Ardenna pacifica 比較対象 Pterodroma incerta
Side-by-Side Comparison
| 属性 | Wedge-tailed Shearwater | Atlantic Petrel |
|---|---|---|
| 学名 | Ardenna pacifica | Pterodroma incerta |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Least Concern | Endangered |
| 体長 | — | — |
| 翼開長 | 59.4 cm (23.4 in) | 63.6 cm (25.0 in) |
| 体重 | 435.0 g (15.34 oz) | 515.0 g (18.17 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Wedge-tailed Shearwater
Endangered
Atlantic Petrel
About These Birds
Wedge-tailed Shearwater
全長38〜46cm、翼開長97〜105cm。楔形の長い尾が識別のポイント；上面は暗褐色；腹面は多型（暗色型または白腹型）。熱帯太平洋・インド洋の島々で繁殖。外洋に広く分布。魚や烏賊を食べ、しばしばマグロと群れをなす。普通種で広域分布。
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.