Soft-plumaged Petrel vs Antarctic Petrel
Pterodroma mollis compared with Thalassoica antarctica
Side-by-Side Comparison
| Attribute | Soft-plumaged Petrel | Antarctic Petrel |
|---|---|---|
| Scientific Name | Pterodroma mollis | Thalassoica antarctica |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 48.6 cm (19.1 in) | 59.2 cm (23.3 in) |
| Weight | 315.0 g (11.11 oz) | 658.3333333333334 g (23.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Soft-plumaged Petrel
Least Concern
Antarctic Petrel
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.
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.