Fulmar Prion vs Balearic Shearwater
Pachyptila crassirostris compared with Puffinus mauretanicus
Side-by-Side Comparison
| Attribute | Fulmar Prion | Balearic Shearwater |
|---|---|---|
| Scientific Name | Pachyptila crassirostris | Puffinus mauretanicus |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Critically Endangered |
| Length | — | — |
| Wingspan | 36.4 cm (14.3 in) | 48.4 cm (19.1 in) |
| Weight | 142.83333333333334 g (5.04 oz) | 514.8 g (18.16 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Fulmar Prion
Critically Endangered
Balearic Shearwater
About These Birds
Fulmar Prion
26–28 cm. Intermediate-sized prion with a thick, fulmar-like bill; pale grey above with dark wing pattern. Breeds Bounty, Snares, and Heard islands. Resembles Broad-billed but has heavier bill base. Feeds on crustaceans; overlaps broadly with other prions at sea.
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.