South Polar Skua vs Pomarine Jaeger
Catharacta maccormicki ile kıyaslandığında Stercorarius pomarinus
Side-by-Side Comparison
| Özellik | South Polar Skua | Pomarine Jaeger |
|---|---|---|
| Bilimsel Ad | Catharacta maccormicki | Stercorarius pomarinus |
| Takım | Charadriiformes | Charadriiformes |
| Familya | Stercorariidae | Stercorariidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 77,4 cm (30.5 in) | 70,2 cm (27.6 in) |
| Ağırlık | 1315,0 g (46.39 oz) | 760,5 g (26.83 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
South Polar Skua only
Hiçbiri
Pomarine Jaeger only
Koruma Durumu
Least Concern
South Polar Skua
Least Concern
Pomarine Jaeger
About These Birds
South Polar Skua
South Polar Skua, 50–55 cm, breeds on the Antarctic continent — one of the world's most southerly breeding birds, recorded at the South Pole. Strong migratory; winters in the North Pacific and North Atlantic, crossing the equator. Polymorphic; feeds on penguins, fish, and krill. Circumglobal migration.
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.