Brown Skua vs Pomarine Jaeger
Catharacta antarctica 比較対象 Stercorarius pomarinus
Side-by-Side Comparison
| 属性 | Brown Skua | Pomarine Jaeger |
|---|---|---|
| 学名 | Catharacta antarctica | Stercorarius pomarinus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Stercorariidae | Stercorariidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 80.3 cm (31.6 in) | 70.2 cm (27.6 in) |
| 体重 | 1591.6666666666667 g (56.14 oz) | 760.5 g (26.83 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Brown Skua
Least Concern
Pomarine Jaeger
About These Birds
Brown Skua
体長52〜64cmの亜南極の捕食性トウゾクカモメ。暗褐色でペンギンやミズナギドリの雛を捕食する。
Pomarine Jaeger
Pomarine Jaeger, 46–51 cm plus twisted spoon-shaped central tail feathers, is the largest of the three small jaegers. Breeds on Russian and Canadian Arctic tundra; lemming-dependent on breeding grounds. Heavily built; pirates food from other seabirds at sea and scavenges at whale carcasses. Pelagic in winter.