Great Skua vs Arctic Jaeger
Catharacta skua so với Stercorarius parasiticus
Side-by-Side Comparison
| Thuộc Tính | Great Skua | Arctic Jaeger |
|---|---|---|
| Tên Khoa Học | Catharacta skua | Stercorarius parasiticus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Stercorariidae | Stercorariidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 78,9 cm (31.1 in) | 62,1 cm (24.4 in) |
| Khối Lượng | 1370,0 g (48.33 oz) | 459,0 g (16.19 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Great Skua
Least Concern
Arctic Jaeger
About These Birds
Great Skua
Great Skua, 50–58 cm, wingspan 125–140 cm, is a powerful pirate of the North Atlantic, breeding in Iceland, Faroe Islands, and Scotland. Dark brown with white wing flashes. Attacks gannets and kittiwakes to steal fish; also kills other seabirds outright. Winters pelagically in the Atlantic.
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.