Balearic Shearwater vs Antarctic Petrel
Puffinus mauretanicus 对比 Thalassoica antarctica
Side-by-Side Comparison
| 属性 | Balearic Shearwater | Antarctic Petrel |
|---|---|---|
| 学名 | Puffinus mauretanicus | Thalassoica antarctica |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保护状况 | Critically Endangered | Least Concern |
| 体长 | — | — |
| 翼展 | 48.4 cm (19.1 in) | 59.2 cm (23.3 in) |
| 体重 | 514.8 g (18.16 oz) | 658.3333333333334 g (23.22 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Critically Endangered
Balearic Shearwater
Least Concern
Antarctic Petrel
About These Birds
Balearic Shearwater
30–38 cm. Brown above; variably dirty-white to brown below; often shows brown smudging on flanks. Breeds only Balearic Islands, Spain. Critically Endangered with fewer than 3,000 pairs; faces extinction. Migrates to NE Atlantic; threatened by predators, fishing bycatch, and tourist development.
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.