Jouanin's Petrel vs Antarctic Petrel
Bulweria fallax 对比 Thalassoica antarctica
Side-by-Side Comparison
| 属性 | Jouanin's Petrel | Antarctic Petrel |
|---|---|---|
| 学名 | Bulweria fallax | Thalassoica antarctica |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 48.2 cm (19.0 in) | 59.2 cm (23.3 in) |
| 体重 | 167.5 g (5.91 oz) | 658.3333333333334 g (23.22 oz) |
| 食性 | -- | -- |
| 产卵数 | -- | 1 |
| Population Trend | — | — |
保护状况
Near Threatened
Jouanin's Petrel
Least Concern
Antarctic Petrel
About These Birds
Jouanin's Petrel
43–45 cm. Larger than Bulwer's Petrel; all sooty-brown with a wedge-shaped tail and faint pale wing-bar. Breeds southern Arabian Sea islands (Socotra region); ranges in Indian Ocean. Near Threatened; poorly studied. Feeds on squid and fish; crepuscular and nocturnal 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.