Short-tailed Shearwater vs Antarctic Petrel
Ardenna tenuirostris so với Thalassoica antarctica
Side-by-Side Comparison
| Thuộc Tính | Short-tailed Shearwater | Antarctic Petrel |
|---|---|---|
| Tên Khoa Học | Ardenna tenuirostris | Thalassoica antarctica |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 52,4 cm (20.6 in) | 59,2 cm (23.3 in) |
| Khối Lượng | 695,0 g (24.52 oz) | 658,3333333333334 g (23.22 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Short-tailed Shearwater only
Antarctic Petrel only
Không
Tình Trạng Bảo Tồn
Least Concern
Short-tailed Shearwater
Least Concern
Antarctic Petrel
About These Birds
Short-tailed Shearwater
41–43 cm, wingspan 95–100 cm. Sooty-brown; silvery underwing flash. Breeds Bass Strait islands (Australia) in enormous numbers; one of the world's most abundant seabirds. Migrates to North Pacific in vast flocks. Feeds on krill and fish. Harvested sustainably as 'muttonbirds' in Tasmania.
Antarctic Petrel
40–46 cm, wingspan 100–110 cm. Striking chocolate-brown and white pattern; only member of its genus. Breeds solely in Antarctica on cliff ledges; among the most southerly-nesting birds. Feeds on fish and krill beneath pack ice. Returns to colonies in October; one of the most abundant Antarctic seabirds.