Great Skua vs Pomarine Jaeger
Catharacta skua 比較対象 Stercorarius pomarinus
Side-by-Side Comparison
| 属性 | Great Skua | Pomarine Jaeger |
|---|---|---|
| 学名 | Catharacta skua | Stercorarius pomarinus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Stercorariidae | Stercorariidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 78.9 cm (31.1 in) | 70.2 cm (27.6 in) |
| 体重 | 1370.0 g (48.33 oz) | 760.5 g (26.83 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Great Skua
Least Concern
Pomarine Jaeger
About These Birds
Great Skua
体長50〜58cm、翼開長125〜140cmの北大西洋の海賊。アイスランド・フェロー諸島・スコットランドで繁殖し、カツオドリやミツユビカモメを襲う。
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.