Great-winged Petrel vs Balearic Shearwater
Pterodroma macroptera verglichen mit Puffinus mauretanicus
Side-by-Side Comparison
| Merkmal | Great-winged Petrel | Balearic Shearwater |
|---|---|---|
| Wissenschaftlicher Name | Pterodroma macroptera | Puffinus mauretanicus |
| Ordnung | Procellariiformes | Procellariiformes |
| Familie | Procellariidae | Procellariidae |
| Erhaltungsstatus | Least Concern | Critically Endangered |
| Länge | — | — |
| Flügelspannweite | 60,7 cm (23.9 in) | 48,4 cm (19.1 in) |
| Gewicht | 548,75 g (19.36 oz) | 514,8 g (18.16 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
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.