Great Shearwater vs Little Shearwater
Ardenna gravis в сравнении с Puffinus assimilis
Side-by-Side Comparison
| Характеристика | Great Shearwater | Little Shearwater |
|---|---|---|
| Научное название | Ardenna gravis | Puffinus assimilis |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Procellariidae | Procellariidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 63,6 cm (25.0 in) | 36,0 cm (14.2 in) |
| Масса | 832,5 g (29.37 oz) | 198,0 g (6.98 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Great Shearwater only
Нет
Little Shearwater only
Охранный статус
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.