Snow Petrel vs Heinroth's Shearwater
Pagodroma nivea compared with Puffinus heinrothi
Side-by-Side Comparison
| Attribute | Snow Petrel | Heinroth's Shearwater |
|---|---|---|
| Scientific Name | Pagodroma nivea | Puffinus heinrothi |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Vulnerable |
| Length | — | — |
| Wingspan | 49.5 cm (19.5 in) | 35.7 cm (14.1 in) |
| Weight | 386.0 g (13.62 oz) | 82.0 g (2.89 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | -- |
| Population Trend | — | — |
Conservation Status
Least Concern
Snow Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
Snow Petrel
30–35 cm, wingspan 75–95 cm. Entirely snow-white plumage; black bill, eyes, and feet. Nests in rock crevices deep in Antarctica, among the southernmost breeding birds on Earth. Feeds on krill and fish under pack ice. Highly territorial at nest; secretes stomach oil as defence.
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.