Great-winged Petrel vs Balearic Shearwater
Pterodroma macroptera so với Puffinus mauretanicus
Side-by-Side Comparison
| Thuộc Tính | Great-winged Petrel | Balearic Shearwater |
|---|---|---|
| Tên Khoa Học | Pterodroma macroptera | Puffinus mauretanicus |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Least Concern | Critically Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 60,7 cm (23.9 in) | 48,4 cm (19.1 in) |
| Khối Lượng | 548,75 g (19.36 oz) | 514,8 g (18.16 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Great-winged Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Great-winged Petrel
41 cm, wingspan 97 cm. Large all-dark gadfly petrel; dusky bill, black feet. Breeds on islands from Tristan da Cunha to SW Australia and New Zealand. Ranges widely in southern Atlantic, Indian, and Pacific oceans. Flies with characteristic high arcing; feeds on squid and fish.
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.