Beck's Petrel vs Heinroth's Shearwater
Pseudobulweria becki compared with Puffinus heinrothi
Side-by-Side Comparison
| Attribute | Beck's Petrel | Heinroth's Shearwater |
|---|---|---|
| Scientific Name | Pseudobulweria becki | Puffinus heinrothi |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Critically Endangered | Vulnerable |
| Length | — | — |
| Wingspan | 47.6 cm (18.7 in) | 35.7 cm (14.1 in) |
| Weight | 185.0 g (6.53 oz) | 82.0 g (2.89 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Critically Endangered
Beck's Petrel
Vulnerable
Heinroth's 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.
Heinroth's Shearwater
27 cm. Small dark shearwater; all sooty-brown with pale bill. Breeds Solomon Islands and Papua New Guinea. Critically Endangered; extremely poorly known with only a handful of records. Breeding biology almost completely unknown; one of the rarest and least-studied seabirds.