Kermadec Petrel vs Balearic Shearwater
Pterodroma neglecta compared with Puffinus mauretanicus
Side-by-Side Comparison
| Attribute | Kermadec Petrel | Balearic Shearwater |
|---|---|---|
| Scientific Name | Pterodroma neglecta | Puffinus mauretanicus |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Critically Endangered |
| Length | — | — |
| Wingspan | 57.6 cm (22.7 in) | 48.4 cm (19.1 in) |
| Weight | 452.5 g (15.96 oz) | 514.8 g (18.16 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Kermadec Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Kermadec Petrel
38 cm. Polymorphic: pale morph has white underparts; dark morph is all brown-grey. Breeds Kermadec, Juan Fernandez, and Pacific islands. Ranges widely in subtropical and tropical Pacific. Feeds on fish and squid; nests in rock crevices and burrows.
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.