Antarctic Prion vs Henderson Petrel
Pachyptila desolata 比較対象 Pterodroma atrata
Side-by-Side Comparison
| 属性 | Antarctic Prion | Henderson Petrel |
|---|---|---|
| 学名 | Pachyptila desolata | Pterodroma atrata |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Least Concern | Endangered |
| 体長 | — | — |
| 翼開長 | 36.5 cm (14.4 in) | 59.0 cm (23.2 in) |
| 体重 | 149.0 g (5.26 oz) | 320.0 g (11.29 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Antarctic Prion
Endangered
Henderson 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.
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.