Large Saint Helena Petrel vs Balearic Shearwater
Pterodroma rupinarum 比較対象 Puffinus mauretanicus
Side-by-Side Comparison
| 属性 | Large Saint Helena Petrel | Balearic Shearwater |
|---|---|---|
| 学名 | Pterodroma rupinarum | Puffinus mauretanicus |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保全状況 | Extinct | Critically Endangered |
| 体長 | — | — |
| 翼開長 | — | 48.4 cm (19.1 in) |
| 体重 | — | 514.8 g (18.16 oz) |
| 食性 | -- | -- |
| 一腹卵数 | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Extinct
Large Saint Helena Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Large Saint Helena Petrel
Extinct; known only from subfossil bones found on St. Helena. Medium-large petrel that went extinct within the last few centuries, likely due to human settlement, habitat destruction, and introduced predators. Related to living Pterodroma species; part of the endemic St. Helena avifauna.
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.