Broad-billed Prion vs Balearic Shearwater
Pachyptila vittata 比較対象 Puffinus mauretanicus
Side-by-Side Comparison
| 属性 | Broad-billed Prion | Balearic Shearwater |
|---|---|---|
| 学名 | Pachyptila vittata | Puffinus mauretanicus |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Least Concern | Critically Endangered |
| 体長 | — | — |
| 翼開長 | 39.0 cm (15.4 in) | 48.4 cm (19.1 in) |
| 体重 | 187.0 g (6.60 oz) | 514.8 g (18.16 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Broad-billed Prion
Critically Endangered
Balearic Shearwater
About These Birds
Broad-billed Prion
25–30 cm, wingspan 57–66 cm. Largest prion; pale blue-grey above, white below with dark M-mark across wings. Bill broad, blue with lamellae for filter-feeding on copepods. Breeds Tristan da Cunha and New Zealand subantarctic. Feeds by hydroplaning with bill submerged.
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.