Pink-footed Shearwater vs Small Saint Helena Petrel
Ardenna creatopus so với Bulweria bifax
Side-by-Side Comparison
| Thuộc Tính | Pink-footed Shearwater | Small Saint Helena Petrel |
|---|---|---|
| Tên Khoa Học | Ardenna creatopus | Bulweria bifax |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Vulnerable | Extinct |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 64,8 cm (25.5 in) | — |
| Khối Lượng | 718,0 g (25.33 oz) | 167,17 g (5.90 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Pink-footed Shearwater only
Small Saint Helena Petrel only
Không
Tình Trạng Bảo Tồn
Vulnerable
Pink-footed Shearwater
Extinct
Small Saint Helena Petrel
About These Birds
Pink-footed Shearwater
48 cm, wingspan 109 cm. Large shearwater; brown above, white below with pink feet; dusky underwing border. Breeds Juan Fernandez and Mocha islands, Chile; migrates to North Pacific. Vulnerable; threatened by introduced predators and longline bycatch. Feeds on fish and squid.
Small Saint Helena Petrel
Extinct; known only from subfossil bones from St. Helena Island. Smaller than Bulwer's Petrel; went extinct shortly after human settlement of St. Helena, likely from introduced predators. Part of the endemic St. Helena seabird community that was largely extirpated by human arrival.