Great Shearwater vs Kermadec Petrel
Ardenna gravis ile kıyaslandığında Pterodroma neglecta
Side-by-Side Comparison
| Özellik | Great Shearwater | Kermadec Petrel |
|---|---|---|
| Bilimsel Ad | Ardenna gravis | Pterodroma neglecta |
| Takım | Procellariiformes | Procellariiformes |
| Familya | Procellariidae | Procellariidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 63,6 cm (25.0 in) | 57,6 cm (22.7 in) |
| Ağırlık | 832,5 g (29.37 oz) | 452,5 g (15.96 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Koruma Durumu
Least Concern
Great Shearwater
Least Concern
Kermadec 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.
Kermadec Petrel
38 cm. Polymorphic: pale morph has white underparts; dark morph is all brown-grey. Breeds Kermadec, Juan Fernandez, and Pacific islands. Ranges widely in subtropical and tropical Pacific. Feeds on fish and squid; nests in rock crevices and burrows.