Great Shearwater vs Henderson Petrel
Ardenna gravis से तुलना Pterodroma atrata
Side-by-Side Comparison
| विशेषता | Great Shearwater | Henderson Petrel |
|---|---|---|
| वैज्ञानिक नाम | Ardenna gravis | Pterodroma atrata |
| गण | Procellariiformes | Procellariiformes |
| कुल | Procellariidae | Procellariidae |
| संरक्षण स्थिति | Least Concern | Endangered |
| लंबाई | — | — |
| पंखों का फैलाव | 63.6 cm (25.0 in) | 59.0 cm (23.2 in) |
| वजन | 832.5 g (29.37 oz) | 320.0 g (11.29 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Great Shearwater
Endangered
Henderson 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.
Henderson Petrel
36–38 cm. All-dark gadfly petrel; sooty-brown with slightly paler primary patch below. Breeds Henderson Island (Pitcairn Islands). Endangered; population estimated at 5,000–10,000 pairs but vulnerable to introduced rats. Ranges in South Pacific; feeds at night on squid.