Bonin Petrel vs Antarctic Petrel
Pterodroma hypoleuca 对比 Thalassoica antarctica
Side-by-Side Comparison
| 属性 | Bonin Petrel | Antarctic Petrel |
|---|---|---|
| 学名 | Pterodroma hypoleuca | Thalassoica antarctica |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 45.6 cm (18.0 in) | 59.2 cm (23.3 in) |
| 体重 | 229.0 g (8.08 oz) | 658.3333333333334 g (23.22 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
保护状况
Least Concern
Bonin Petrel
Least Concern
Antarctic Petrel
About These Birds
Bonin Petrel
30 cm. Pale grey above with dark M-mark; white below with dark partial collar. Breeds Northwest Hawaiian Islands and Bonin (Ogasawara) Islands. Migrates to south Pacific after breeding. Feeds on squid and fish; population recovering after rat eradication on breeding islands.
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.