Wedge-tailed Shearwater vs Antarctic Prion
Ardenna pacifica 比較対象 Pachyptila desolata
Side-by-Side Comparison
| 属性 | Wedge-tailed Shearwater | Antarctic Prion |
|---|---|---|
| 学名 | Ardenna pacifica | Pachyptila desolata |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 59.4 cm (23.4 in) | 36.5 cm (14.4 in) |
| 体重 | 435.0 g (15.34 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
Wedge-tailed Shearwater
Least Concern
Antarctic Prion
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。
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.