Great Shearwater vs Sooty Shearwater
Ardenna gravis в сравнении с Ardenna grisea
Side-by-Side Comparison
| Характеристика | Great Shearwater | Sooty Shearwater |
|---|---|---|
| Научное название | Ardenna gravis | Ardenna grisea |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Procellariidae | Procellariidae |
| Охранный статус | Least Concern | Near Threatened |
| Длина | — | — |
| Размах крыльев | 63,6 cm (25.0 in) | 59,1 cm (23.3 in) |
| Масса | 832,5 g (29.37 oz) | 814,0 g (28.71 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Нет
Great Shearwater only
Sooty Shearwater only
Охранный статус
Least Concern
Great Shearwater
Near Threatened
Sooty 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.
Sooty Shearwater
40–51 cm, wingspan 94–110 cm. All dark sooty-brown with silvery-white underwing flash. Breeds New Zealand and southern South America; undertakes one of the longest migrations of any animal to North Pacific and Atlantic. Feeds on fish, squid, and krill. Near Threatened; millions estimated.