Great Shearwater vs Audubon's Shearwater
Ardenna gravis 对比 Puffinus lherminieri
Side-by-Side Comparison
| 属性 | Great Shearwater | Audubon's Shearwater |
|---|---|---|
| 学名 | Ardenna gravis | Puffinus lherminieri |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 63.6 cm (25.0 in) | 37.1 cm (14.6 in) |
| 体重 | 832.5 g (29.37 oz) | 209.0 g (7.37 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Great Shearwater
Least Concern
Audubon's Shearwater
About These Birds
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.
Audubon's Shearwater
27–33 cm. Small; dark brown above; white below with clean-cut pattern. Breeds Caribbean, tropical Atlantic, Pacific, and Indian Ocean islands. Wide geographic range with multiple subspecies. Feeds on fish; breeds in burrows on oceanic islands; Near Threatened.