Great Shearwater vs Galapagos Shearwater
Ardenna gravis в сравнении с Puffinus subalaris
Side-by-Side Comparison
| Характеристика | Great Shearwater | Galapagos Shearwater |
|---|---|---|
| Научное название | Ardenna gravis | Puffinus subalaris |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Procellariidae | Procellariidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 63,6 cm (25.0 in) | 37,2 cm (14.6 in) |
| Масса | 832,5 g (29.37 oz) | 176,5 g (6.23 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Great Shearwater
Least Concern
Galapagos 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.
Galapagos Shearwater
27–30 cm. Dark above; white below with grey-brown flanks and vent. Breeds Galapagos Islands (endemic). Ranges in eastern Pacific near the archipelago. Near Threatened; threatened by introduced predators. Feeds on fish near productive Humboldt Current upwellings.