Bannerman's Shearwater vs Balearic Shearwater
Puffinus bannermani ile kıyaslandığında Puffinus mauretanicus
Side-by-Side Comparison
| Özellik | Bannerman's Shearwater | Balearic Shearwater |
|---|---|---|
| Bilimsel Ad | Puffinus bannermani | Puffinus mauretanicus |
| Takım | Procellariiformes | Procellariiformes |
| Familya | Procellariidae | Procellariidae |
| Koruma Durumu | Endangered | Critically Endangered |
| Uzunluk | — | — |
| Kanat Açıklığı | 41,6 cm (16.4 in) | 48,4 cm (19.1 in) |
| Ağırlık | 192,8 g (6.80 oz) | 514,8 g (18.16 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Hiçbiri
Bannerman's Shearwater only
Hiçbiri
Balearic Shearwater only
Koruma Durumu
Endangered
Bannerman's Shearwater
Critically Endangered
Balearic Shearwater
About These Birds
Bannerman's Shearwater
30 cm. Dark above; white below with dark vent and undertail. Breeds Bonin (Ogasawara) Islands and Volcano Islands, Japan. Endangered; very small population threatened by rats. Closely related to Newell's Shearwater; ranges in north Pacific.
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.