Chilean Skua vs South Polar Skua
Catharacta chilensis so với Catharacta maccormicki
Side-by-Side Comparison
| Thuộc Tính | Chilean Skua | South Polar Skua |
|---|---|---|
| Tên Khoa Học | Catharacta chilensis | Catharacta maccormicki |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Stercorariidae | Stercorariidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 75,9 cm (29.9 in) | 77,4 cm (30.5 in) |
| Khối Lượng | 1387,5 g (48.94 oz) | 1315,0 g (46.39 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Chilean Skua
Least Concern
South Polar Skua
About These Birds
Chilean Skua
Chilean Skua, 52–58 cm, is a large, heavily built skua of southernmost South America and Cape Horn islands. Warm reddish-brown tones, pale face. Predator and scavenger at penguin and cormorant colonies; piracy also common. Partially migratory; winters at sea in the Pacific and Atlantic.
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.