Great Shearwater vs Barau's Petrel
Ardenna gravis 对比 Pterodroma baraui
Side-by-Side Comparison
| 属性 | Great Shearwater | Barau's Petrel |
|---|---|---|
| 学名 | Ardenna gravis | Pterodroma baraui |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保护状况 | Least Concern | Endangered |
| 体长 | — | — |
| 翼展 | 63.6 cm (25.0 in) | 53.8 cm (21.2 in) |
| 体重 | 832.5 g (29.37 oz) | 416.5 g (14.69 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Great Shearwater
Endangered
Barau's Petrel
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.
Barau's Petrel
38 cm, wingspan 96 cm. Dark above with white forehead; white below with dark carpal bar and partial collar. Breeds only on Réunion; Endangered with around 4,000 pairs. Threatened by light attraction of fledglings; conservation lighting campaigns reduce strandings. Migrates to Indian Ocean.