Blue Petrel vs Atlantic Petrel
Halobaena caerulea 比較対象 Pterodroma incerta
Side-by-Side Comparison
| 属性 | Blue Petrel | Atlantic Petrel |
|---|---|---|
| 学名 | Halobaena caerulea | Pterodroma incerta |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Least Concern | Endangered |
| 体長 | — | — |
| 翼開長 | 41.2 cm (16.2 in) | 63.6 cm (25.0 in) |
| 体重 | 201.5 g (7.11 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
Blue Petrel
Endangered
Atlantic Petrel
About These Birds
Blue Petrel
体長26〜32 cm、翼幅60〜71 cm。白い先端の四角い尾を持つ青灰色の背面;腹面は白。ミズナギドリに似るが尾のパターンが識別の鍵。南極亜南極諸島(サウスジョージア・クロゼ・ケルゲレン)で繁殖。南大洋を広く回遊し甲殻類・小魚を食べる。
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.