Great Shearwater vs Cape Verde Shearwater
Ardenna gravis so với Calonectris edwardsii
Side-by-Side Comparison
| Thuộc Tính | Great Shearwater | Cape Verde Shearwater |
|---|---|---|
| Tên Khoa Học | Ardenna gravis | Calonectris edwardsii |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Least Concern | Near Threatened |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 63,6 cm (25.0 in) | 61,8 cm (24.3 in) |
| Khối Lượng | 832,5 g (29.37 oz) | 470,0 g (16.58 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Great Shearwater
Near Threatened
Cape Verde 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.
Cape Verde Shearwater
43–47 cm. Smaller than Cory's Shearwater; grey-brown above, white below with yellow bill. Breeds Cape Verde Islands. Migrates south through east Atlantic to south Atlantic and Indian Ocean. Near Threatened; threatened by introduced cats and rats; feeds on fish and squid.