Great Shearwater vs Bermuda Petrel
Ardenna gravis ile kıyaslandığında Pterodroma cahow
Side-by-Side Comparison
| Özellik | Great Shearwater | Bermuda Petrel |
|---|---|---|
| Bilimsel Ad | Ardenna gravis | Pterodroma cahow |
| Takım | Procellariiformes | Procellariiformes |
| Familya | Procellariidae | Procellariidae |
| Koruma Durumu | Least Concern | Endangered |
| Uzunluk | — | — |
| Kanat Açıklığı | 63,6 cm (25.0 in) | 49,0 cm (19.3 in) |
| Ağırlık | 832,5 g (29.37 oz) | 329,8 g (11.63 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Koruma Durumu
Least Concern
Great Shearwater
Endangered
Bermuda 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.
Bermuda Petrel
38 cm. Dark grey-brown above; white below with dark partial collar. Critically Endangered; once thought extinct, rediscovered 1951 in Bermuda. Fewer than 140 breeding pairs on offshore islets. Recovery aided by artificial burrows; feeds on squid and fish in open Atlantic.