Great Shearwater vs Black Petrel
Ardenna gravis so với Procellaria parkinsoni
Side-by-Side Comparison
| Thuộc Tính | Great Shearwater | Black Petrel |
|---|---|---|
| Tên Khoa Học | Ardenna gravis | Procellaria parkinsoni |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 63,6 cm (25.0 in) | 72,6 cm (28.6 in) |
| Khối Lượng | 832,5 g (29.37 oz) | 737,8333333333334 g (26.03 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Great Shearwater
Vulnerable
Black 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.
Black Petrel
46 cm. All-black petrel with pale yellowish bill with dark culmen ridge. Breeds only Great and Little Barrier islands off New Zealand. Vulnerable; migrates to eastern Pacific after breeding. Threatened by introduced predators; feeds on squid and fish.