Bulwer's Petrel vs Antarctic Prion
Bulweria bulwerii 比較対象 Pachyptila desolata
Side-by-Side Comparison
| 属性 | Bulwer's Petrel | Antarctic Prion |
|---|---|---|
| 学名 | Bulweria bulwerii | Pachyptila desolata |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 40.6 cm (16.0 in) | 36.5 cm (14.4 in) |
| 体重 | 103.16666666666667 g (3.64 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
Bulwer's Petrel
Least Concern
Antarctic Prion
About These Birds
Bulwer's Petrel
全長26〜28cm、翼開長68〜73cm。全身暗いチョコレート褐色で楔形の長い尾；淡い対角の翼の縞が目立つ。亜熱帯の大西洋と太平洋の島々で繁殖；熱帯の外洋へ渡る。水面近くをかすめる浮揚感のある蛇行飛翔。夜間に烏賊と魚を食べる。
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.