Masatierra Petrel vs Antarctic Petrel
Pterodroma defilippiana so với Thalassoica antarctica
Side-by-Side Comparison
| Thuộc Tính | Masatierra Petrel | Antarctic Petrel |
|---|---|---|
| Tên Khoa Học | Pterodroma defilippiana | Thalassoica antarctica |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Vulnerable | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 45,2 cm (17.8 in) | 59,2 cm (23.3 in) |
| Khối Lượng | 173,83333333333334 g (6.13 oz) | 658,3333333333334 g (23.22 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Tình Trạng Bảo Tồn
Vulnerable
Masatierra Petrel
Least Concern
Antarctic Petrel
About These Birds
Masatierra Petrel
26–28 cm. Small; pale grey above with dark M-mark; white underparts with partial dark collar. Breeds Juan Fernandez and Desventuradas islands off Chile. Vulnerable; small range. Ranges in subtropical southeast Pacific; closely related to Cook's and Pycroft's petrels.
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.