Great Shearwater vs Hutton's Shearwater
Ardenna gravis so với Puffinus huttoni
Side-by-Side Comparison
| Thuộc Tính | Great Shearwater | Hutton's Shearwater |
|---|---|---|
| Tên Khoa Học | Ardenna gravis | Puffinus huttoni |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Least Concern | Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 63,6 cm (25.0 in) | 41,8 cm (16.5 in) |
| Khối Lượng | 832,5 g (29.37 oz) | 345,4166666666667 g (12.18 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Great Shearwater
Endangered
Hutton'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.
Hutton's Shearwater
38 cm. Dark above; white below; larger than Fluttering Shearwater. Breeds only in alpine zone of Kaikoura Ranges, South Island, New Zealand. Endangered; very restricted inland breeding range unique among shearwaters; feeds at sea in Tasman Sea and off south Australia.