White-headed Petrel vs Balearic Shearwater
Pterodroma lessonii comparé à Puffinus mauretanicus
Side-by-Side Comparison
| Attribut | White-headed Petrel | Balearic Shearwater |
|---|---|---|
| Nom scientifique | Pterodroma lessonii | Puffinus mauretanicus |
| Ordre | Procellariiformes | Procellariiformes |
| Famille | Procellariidae | Procellariidae |
| Statut de conservation | Least Concern | Critically Endangered |
| Longueur | — | — |
| Envergure | 60,7 cm (23.9 in) | 48,4 cm (19.1 in) |
| Poids | 695,0 g (24.52 oz) | 514,8 g (18.16 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
White-headed Petrel
Critically Endangered
Balearic Shearwater
About These Birds
White-headed Petrel
43 cm, wingspan 109 cm. Large petrel with white head, grey back, and white underparts; dark upperwing. Breeds Kerguelen, Macquarie, Auckland, and Antipodes islands. Ranges in subantarctic to temperate Southern Ocean. Feeds on squid and fish; nocturnal at colonies.
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.