Blue Petrel vs Antarctic Prion
Halobaena caerulea 比較対象 Pachyptila desolata
Side-by-Side Comparison
| 属性 | Blue Petrel | Antarctic Prion |
|---|---|---|
| 学名 | Halobaena caerulea | Pachyptila desolata |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 41.2 cm (16.2 in) | 36.5 cm (14.4 in) |
| 体重 | 201.5 g (7.11 oz) | 149.0 g (5.26 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Blue Petrel
Least Concern
Antarctic Prion
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。
Antarctic Prion
25–28 cm, wingspan 58–66 cm. Classic prion pattern: pale blue-grey, white below, bold dark M across upperwing. Medium-broad bill. Most abundant and widespread prion; breeds South Georgia, Heard, Kerguelen, Macquarie. Feeds on crustaceans; makes deep dives compared to congeners.