Antarctic Prion vs Bonin Petrel
Pachyptila desolata 比較対象 Pterodroma hypoleuca
Side-by-Side Comparison
| 属性 | Antarctic Prion | Bonin Petrel |
|---|---|---|
| 学名 | Pachyptila desolata | Pterodroma hypoleuca |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 36.5 cm (14.4 in) | 45.6 cm (18.0 in) |
| 体重 | 149.0 g (5.26 oz) | 229.0 g (8.08 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Antarctic Prion
Least Concern
Bonin Petrel
About These Birds
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.
Bonin Petrel
30 cm. Pale grey above with dark M-mark; white below with dark partial collar. Breeds Northwest Hawaiian Islands and Bonin (Ogasawara) Islands. Migrates to south Pacific after breeding. Feeds on squid and fish; population recovering after rat eradication on breeding islands.