South Polar Skua vs Pomarine Jaeger
Catharacta maccormicki 比較対象 Stercorarius pomarinus
Side-by-Side Comparison
| 属性 | South Polar Skua | Pomarine Jaeger |
|---|---|---|
| 学名 | Catharacta maccormicki | Stercorarius pomarinus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Stercorariidae | Stercorariidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 77.4 cm (30.5 in) | 70.2 cm (27.6 in) |
| 体重 | 1315.0 g (46.39 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
South Polar Skua
Least Concern
Pomarine Jaeger
About These Birds
South Polar Skua
体長50〜55cmの南極大陸で繁殖するトウゾクカモメ。南極点での記録があり、世界一周の渡りを行う。
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.