Brown Skua vs Pomarine Jaeger
Catharacta antarctica ile kıyaslandığında Stercorarius pomarinus
Side-by-Side Comparison
| Özellik | Brown Skua | Pomarine Jaeger |
|---|---|---|
| Bilimsel Ad | Catharacta antarctica | Stercorarius pomarinus |
| Takım | Charadriiformes | Charadriiformes |
| Familya | Stercorariidae | Stercorariidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 80,3 cm (31.6 in) | 70,2 cm (27.6 in) |
| Ağırlık | 1591,6666666666667 g (56.14 oz) | 760,5 g (26.83 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Hiçbiri
Brown Skua only
Hiçbiri
Pomarine Jaeger only
Koruma Durumu
Least Concern
Brown Skua
Least Concern
Pomarine Jaeger
About These Birds
Brown Skua
Brown Skua, 52–64 cm, is a powerful sub-Antarctic predator breeding on islands from the Falklands to New Zealand's subantarctic islands. Dark brown throughout; massive hook-tipped bill. Predates penguin and petrel chicks; piracy and scavenging common. Winters at sea across the Southern Ocean.
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.