Buller's Shearwater vs Antarctic Petrel
Ardenna bulleri so với Thalassoica antarctica
Side-by-Side Comparison
| Thuộc Tính | Buller's Shearwater | Antarctic Petrel |
|---|---|---|
| Tên Khoa Học | Ardenna bulleri | Thalassoica antarctica |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Vulnerable | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 55,2 cm (21.7 in) | 59,2 cm (23.3 in) |
| Khối Lượng | 388,5 g (13.70 oz) | 658,3333333333334 g (23.22 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Buller's Shearwater only
Antarctic Petrel only
Không
Tình Trạng Bảo Tồn
Vulnerable
Buller's Shearwater
Least Concern
Antarctic Petrel
About These Birds
Buller's Shearwater
46–47 cm, wingspan 96–99 cm. Distinctive; dark above with grey-white M-mark on upperwing; white below with grey cap. Breeds only Snares and Poor Knights Islands, New Zealand. Migrates to North Pacific. Near Threatened; feeds on fish and squid; gregarious at sea.
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.