Great Shearwater vs Little Shearwater
Ardenna gravis so với Puffinus assimilis
Side-by-Side Comparison
| Thuộc Tính | Great Shearwater | Little Shearwater |
|---|---|---|
| Tên Khoa Học | Ardenna gravis | Puffinus assimilis |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 63,6 cm (25.0 in) | 36,0 cm (14.2 in) |
| Khối Lượng | 832,5 g (29.37 oz) | 198,0 g (6.98 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Great Shearwater only
Không
Little Shearwater only
Tình Trạng Bảo Tồn
Least Concern
Great Shearwater
Least Concern
Little 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.
Little Shearwater
25–30 cm. Small shearwater; dark above with white underparts and extensive white on face and sides of neck. Breeds Canary Islands, Madeira, and southern hemisphere islands; ranges in adjacent oceans. Feeds on small fish and squid; fast fluttering flight close to water.