Beck's Petrel vs Balearic Shearwater
Pseudobulweria becki compared with Puffinus mauretanicus
Side-by-Side Comparison
| Attribute | Beck's Petrel | Balearic Shearwater |
|---|---|---|
| Scientific Name | Pseudobulweria becki | Puffinus mauretanicus |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Critically Endangered | Critically Endangered |
| Length | — | — |
| Wingspan | 47.6 cm (18.7 in) | 48.4 cm (19.1 in) |
| Weight | 185.0 g (6.53 oz) | 514.8 g (18.16 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Critically Endangered
Beck's Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Beck's Petrel
29 cm. Small; dark brown above and on breast; white belly. Critically Endangered; known from only two specimens collected 1928–1929 in the Solomon Islands and Bismarck Sea. No confirmed breeding site. Possibly nests on remote Pacific islands; one of the world's least-known 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.