Atlantic Petrel vs Balearic Shearwater
Pterodroma incerta compared with Puffinus mauretanicus
Side-by-Side Comparison
| Attribute | Atlantic Petrel | Balearic Shearwater |
|---|---|---|
| Scientific Name | Pterodroma incerta | Puffinus mauretanicus |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Endangered | Critically Endangered |
| Length | — | — |
| Wingspan | 63.6 cm (25.0 in) | 48.4 cm (19.1 in) |
| Weight | 515.0 g (18.17 oz) | 514.8 g (18.16 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Endangered
Atlantic Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Atlantic Petrel
43 cm, wingspan 104 cm. Large; dark brown above with pale belly and dusky breast-band creating hooded appearance. Breeds Tristan da Cunha and Gough Island; ranges into south Atlantic and Indian Ocean. Endangered; threatened by introduced predators and longline fisheries.
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.