Pink-footed Shearwater vs Great Shearwater
Ardenna creatopus so với Ardenna gravis
Side-by-Side Comparison
| Thuộc Tính | Pink-footed Shearwater | Great Shearwater |
|---|---|---|
| Tên Khoa Học | Ardenna creatopus | Ardenna gravis |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Vulnerable | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 64,8 cm (25.5 in) | 63,6 cm (25.0 in) |
| Khối Lượng | 718,0 g (25.33 oz) | 832,5 g (29.37 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Vulnerable
Pink-footed Shearwater
Least Concern
Great Shearwater
About These Birds
Pink-footed Shearwater
48 cm, wingspan 109 cm. Large shearwater; brown above, white below with pink feet; dusky underwing border. Breeds Juan Fernandez and Mocha islands, Chile; migrates to North Pacific. Vulnerable; threatened by introduced predators and longline bycatch. Feeds on fish and squid.
Great Shearwater
43–51 cm, wingspan 105–122 cm. Large; dark brown above with white underparts, dark cap, and distinctive scaly pattern on upperwing. Breeds Tristan da Cunha, Gough, and Falklands; migrates to North Atlantic. Feeds on fish and squid; spectacular post-breeding migration past UK coasts.