Bannerman's Shearwater vs Balearic Shearwater
Puffinus bannermani so với Puffinus mauretanicus
Side-by-Side Comparison
| Thuộc Tính | Bannerman's Shearwater | Balearic Shearwater |
|---|---|---|
| Tên Khoa Học | Puffinus bannermani | Puffinus mauretanicus |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Endangered | Critically Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 41,6 cm (16.4 in) | 48,4 cm (19.1 in) |
| Khối Lượng | 192,8 g (6.80 oz) | 514,8 g (18.16 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
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.