Black-capped Petrel vs Balearic Shearwater
Pterodroma hasitata 比較対象 Puffinus mauretanicus
Side-by-Side Comparison
| 属性 | Black-capped Petrel | Balearic Shearwater |
|---|---|---|
| 学名 | Pterodroma hasitata | Puffinus mauretanicus |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Endangered | Critically Endangered |
| 体長 | — | — |
| 翼開長 | 56.6 cm (22.3 in) | 48.4 cm (19.1 in) |
| 体重 | 443.8333333333333 g (15.66 oz) | 514.8 g (18.16 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Endangered
Black-capped Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Black-capped Petrel
40 cm. Large gadfly petrel; dark cap and upperparts, white underparts with dark carpal bar. Breeds Hispaniola and Cuba; once very abundant. Endangered; longline bycatch and habitat loss are key threats. Ranges widely in western and central Atlantic; crepuscular at colonies.
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.