Balearic Shearwater vs Newell's Shearwater
Puffinus mauretanicus compared with Puffinus newelli
Side-by-Side Comparison
| Attribute | Balearic Shearwater | Newell's Shearwater |
|---|---|---|
| Scientific Name | Puffinus mauretanicus | Puffinus newelli |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Critically Endangered | Critically Endangered |
| Length | — | — |
| Wingspan | 48.4 cm (19.1 in) | 48.2 cm (19.0 in) |
| Weight | 514.8 g (18.16 oz) | 382.5 g (13.49 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Critically Endangered
Balearic Shearwater
Critically Endangered
Newell's Shearwater
About These Birds
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.
Newell's Shearwater
33 cm. Dark above; white below with variable dark markings on flanks and vent. Breeds Kauai and possibly other Hawaiian islands. Endangered; threatened by introduced predators, light attraction, and vehicle strikes. Migrates to western Pacific; feeds on fish and squid.