Great Shearwater vs Soft-plumaged Petrel
Ardenna gravis مقارنةً بـ Pterodroma mollis
Side-by-Side Comparison
| السمة | Great Shearwater | Soft-plumaged Petrel |
|---|---|---|
| الاسم العلمي | Ardenna gravis | Pterodroma mollis |
| الرتبة | Procellariiformes | Procellariiformes |
| الفصيلة | Procellariidae | Procellariidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 63,6 cm (25.0 in) | 48,6 cm (19.1 in) |
| الوزن | 832,5 g (29.37 oz) | 315,0 g (11.11 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Great Shearwater
Least Concern
Soft-plumaged 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.
Soft-plumaged Petrel
32–37 cm, wingspan 83–95 cm. Grey above; white below with a distinctive dark partial breast-band and dark-streaked face. Breeds Tristan, Gough, and southern Indian Ocean islands. Ranges widely in Southern Ocean. Feeds on fish and squid; arcs steeply in strong winds.