Mottled Petrel vs Antarctic Petrel
Pterodroma inexpectata compared with Thalassoica antarctica
Side-by-Side Comparison
| Attribute | Mottled Petrel | Antarctic Petrel |
|---|---|---|
| Scientific Name | Pterodroma inexpectata | Thalassoica antarctica |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 50.0 cm (19.7 in) | 59.2 cm (23.3 in) |
| Weight | 344.0 g (12.13 oz) | 658.3333333333334 g (23.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Near Threatened
Mottled Petrel
Least Concern
Antarctic Petrel
About These Birds
Mottled Petrel
33–36 cm. Dark grey above with bold dark M-mark; white below with distinctive dark belly patch. Breeds New Zealand subantarctic islands (Snares, Chatham, Antipodes). Migrates to North Pacific in boreal winter. Near Threatened; feeds on squid and crustaceans.
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.