Brown Skua vs Arctic Jaeger
Catharacta antarctica so với Stercorarius parasiticus
Side-by-Side Comparison
| Thuộc Tính | Brown Skua | Arctic Jaeger |
|---|---|---|
| Tên Khoa Học | Catharacta antarctica | Stercorarius parasiticus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Stercorariidae | Stercorariidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 80,3 cm (31.6 in) | 62,1 cm (24.4 in) |
| Khối Lượng | 1591,6666666666667 g (56.14 oz) | 459,0 g (16.19 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Brown Skua
Least Concern
Arctic 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.
Arctic Jaeger
Arctic Jaeger (Parasitic Jaeger), 41–46 cm plus tail, is the commonest jaeger, breeding across Arctic tundra and wintering in tropical and subtropical seas. Highly piratical; pursues terns and gulls relentlessly to steal fish. Polymorphic: pale and dark morphs occur. Circumglobal migration through all oceans.