Great Shearwater vs Christmas Shearwater
Ardenna gravis से तुलना Puffinus nativitatis
Side-by-Side Comparison
| विशेषता | Great Shearwater | Christmas Shearwater |
|---|---|---|
| वैज्ञानिक नाम | Ardenna gravis | Puffinus nativitatis |
| गण | Procellariiformes | Procellariiformes |
| कुल | Procellariidae | Procellariidae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 63.6 cm (25.0 in) | 47.1 cm (18.5 in) |
| वजन | 832.5 g (29.37 oz) | 357.5 g (12.61 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Great Shearwater
Least Concern
Christmas 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.
Christmas Shearwater
35 cm. All-dark sooty-brown shearwater; dark bill and feet. Breeds Christmas and Palmyra islands in central Pacific; ranges in tropical Pacific. Feeds on fish and squid. Distinguished from other dark shearwaters by small size and tropical Pacific range; Near Threatened.