Great Shearwater vs Fluttering Shearwater
Ardenna gravis ile kıyaslandığında Puffinus gavia
Side-by-Side Comparison
| Özellik | Great Shearwater | Fluttering Shearwater |
|---|---|---|
| Bilimsel Ad | Ardenna gravis | Puffinus gavia |
| Takım | Procellariiformes | Procellariiformes |
| Familya | Procellariidae | Procellariidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 63,6 cm (25.0 in) | 39,6 cm (15.6 in) |
| Ağırlık | 832,5 g (29.37 oz) | 267,6666666666667 g (9.44 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Great Shearwater only
Hiçbiri
Fluttering Shearwater only
Koruma Durumu
Least Concern
Great Shearwater
Least Concern
Fluttering 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.
Fluttering Shearwater
33 cm. Dark brown above; white below; relatively short-tailed. Breeds New Zealand North Island coast; non-breeding range restricted to Tasman Sea and nearby waters. Sedentary compared to most shearwaters; feeds on fish and squid. Near Threatened due to small range.