Snow Petrel vs Antarctic Petrel
Pagodroma nivea compared with Thalassoica antarctica
Side-by-Side Comparison
| Attribute | Snow Petrel | Antarctic Petrel |
|---|---|---|
| Scientific Name | Pagodroma nivea | Thalassoica antarctica |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 49.5 cm (19.5 in) | 59.2 cm (23.3 in) |
| Weight | 386.0 g (13.62 oz) | 658.3333333333334 g (23.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Conservation Status
Least Concern
Snow Petrel
Least Concern
Antarctic Petrel
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.
Antarctic Petrel
40–46 cm, wingspan 100–110 cm. Striking chocolate-brown and white pattern; only member of its genus. Breeds solely in Antarctica on cliff ledges; among the most southerly-nesting birds. Feeds on fish and krill beneath pack ice. Returns to colonies in October; one of the most abundant Antarctic seabirds.