Great Shearwater vs MacGillivray's Prion
Ardenna gravis so với Pachyptila macgillivrayi
Side-by-Side Comparison
| Thuộc Tính | Great Shearwater | MacGillivray's Prion |
|---|---|---|
| Tên Khoa Học | Ardenna gravis | Pachyptila macgillivrayi |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Least Concern | Critically Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 63,6 cm (25.0 in) | 38,6 cm (15.2 in) |
| Khối Lượng | 832,5 g (29.37 oz) | 162,5 g (5.73 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Great Shearwater
Critically Endangered
MacGillivray's Prion
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.
MacGillivray's Prion
25–27 cm. Medium-billed prion intermediate between Broad-billed and Fairy prions; pale blue-grey with dark M-mark. Breeds St. Paul and Amsterdam islands in southern Indian Ocean. Very restricted range; feeds on zooplankton and small crustaceans at sea surface.