Great Shearwater vs Bannerman's Shearwater
Ardenna gravis से तुलना Puffinus bannermani
Side-by-Side Comparison
| विशेषता | Great Shearwater | Bannerman's Shearwater |
|---|---|---|
| वैज्ञानिक नाम | Ardenna gravis | Puffinus bannermani |
| गण | Procellariiformes | Procellariiformes |
| कुल | Procellariidae | Procellariidae |
| संरक्षण स्थिति | Least Concern | Endangered |
| लंबाई | — | — |
| पंखों का फैलाव | 63.6 cm (25.0 in) | 41.6 cm (16.4 in) |
| वजन | 832.5 g (29.37 oz) | 192.8 g (6.80 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Great Shearwater
Endangered
Bannerman's 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.
Bannerman's Shearwater
30 cm. Dark above; white below with dark vent and undertail. Breeds Bonin (Ogasawara) Islands and Volcano Islands, Japan. Endangered; very small population threatened by rats. Closely related to Newell's Shearwater; ranges in north Pacific.