Soft-plumaged Petrel vs Heinroth's Shearwater
Pterodroma mollis compared with Puffinus heinrothi
Side-by-Side Comparison
| Attribute | Soft-plumaged Petrel | Heinroth's Shearwater |
|---|---|---|
| Scientific Name | Pterodroma mollis | Puffinus heinrothi |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Vulnerable |
| Length | — | — |
| Wingspan | 48.6 cm (19.1 in) | 35.7 cm (14.1 in) |
| Weight | 315.0 g (11.11 oz) | 82.0 g (2.89 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Soft-plumaged Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
Soft-plumaged Petrel
32–37 cm, wingspan 83–95 cm. Grey above; white below with a distinctive dark partial breast-band and dark-streaked face. Breeds Tristan, Gough, and southern Indian Ocean islands. Ranges widely in Southern Ocean. Feeds on fish and squid; arcs steeply in strong winds.
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.