Bermuda Petrel vs Balearic Shearwater
Pterodroma cahow 比較対象 Puffinus mauretanicus
Side-by-Side Comparison
| 属性 | Bermuda Petrel | Balearic Shearwater |
|---|---|---|
| 学名 | Pterodroma cahow | Puffinus mauretanicus |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Endangered | Critically Endangered |
| 体長 | — | — |
| 翼開長 | 49.0 cm (19.3 in) | 48.4 cm (19.1 in) |
| 体重 | 329.8 g (11.63 oz) | 514.8 g (18.16 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Endangered
Bermuda Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Bermuda Petrel
38 cm. Dark grey-brown above; white below with dark partial collar. Critically Endangered; once thought extinct, rediscovered 1951 in Bermuda. Fewer than 140 breeding pairs on offshore islets. Recovery aided by artificial burrows; feeds on squid and fish in open Atlantic.
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.