Great Shearwater vs Bonin Petrel
Ardenna gravis в сравнении с Pterodroma hypoleuca
Side-by-Side Comparison
| Характеристика | Great Shearwater | Bonin Petrel |
|---|---|---|
| Научное название | Ardenna gravis | Pterodroma hypoleuca |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Procellariidae | Procellariidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 63,6 cm (25.0 in) | 45,6 cm (18.0 in) |
| Масса | 832,5 g (29.37 oz) | 229,0 g (8.08 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Great Shearwater
Least Concern
Bonin Petrel
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.
Bonin Petrel
30 cm. Pale grey above with dark M-mark; white below with dark partial collar. Breeds Northwest Hawaiian Islands and Bonin (Ogasawara) Islands. Migrates to south Pacific after breeding. Feeds on squid and fish; population recovering after rat eradication on breeding islands.