Great Shearwater vs Galapagos Petrel
Ardenna gravis 对比 Pterodroma phaeopygia
Side-by-Side Comparison
| 属性 | Great Shearwater | Galapagos Petrel |
|---|---|---|
| 学名 | Ardenna gravis | Pterodroma phaeopygia |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保护状况 | Least Concern | Critically Endangered |
| 体长 | — | — |
| 翼展 | 63.6 cm (25.0 in) | 58.9 cm (23.2 in) |
| 体重 | 832.5 g (29.37 oz) | 410.5 g (14.48 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Great Shearwater
Critically Endangered
Galapagos 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.
Galapagos Petrel
43 cm. Dark above with white forehead; white underparts with dark collar and carpal bar. Breeds Galapagos Islands; Critically Endangered with rapid decline due to introduced predators. Closely related to Hawaiian Petrel; migrates to eastern Pacific; feeds on squid and fish.