Great Shearwater vs Sooty Shearwater
Ardenna gravis ile kıyaslandığında Ardenna grisea
Side-by-Side Comparison
| Özellik | Great Shearwater | Sooty Shearwater |
|---|---|---|
| Bilimsel Ad | Ardenna gravis | Ardenna grisea |
| Takım | Procellariiformes | Procellariiformes |
| Familya | Procellariidae | Procellariidae |
| Koruma Durumu | Least Concern | Near Threatened |
| Uzunluk | — | — |
| Kanat Açıklığı | 63,6 cm (25.0 in) | 59,1 cm (23.3 in) |
| Ağırlık | 832,5 g (29.37 oz) | 814,0 g (28.71 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Hiçbiri
Great Shearwater only
Sooty Shearwater only
Koruma Durumu
Least Concern
Great Shearwater
Near Threatened
Sooty 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.
Sooty Shearwater
40–51 cm, wingspan 94–110 cm. All dark sooty-brown with silvery-white underwing flash. Breeds New Zealand and southern South America; undertakes one of the longest migrations of any animal to North Pacific and Atlantic. Feeds on fish, squid, and krill. Near Threatened; millions estimated.