White-chinned Petrel vs Antarctic Petrel
Procellaria aequinoctialis compared with Thalassoica antarctica
Side-by-Side Comparison
| Attribute | White-chinned Petrel | Antarctic Petrel |
|---|---|---|
| Scientific Name | Procellaria aequinoctialis | Thalassoica antarctica |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 76.5 cm (30.1 in) | 59.2 cm (23.3 in) |
| Weight | 1432.5 g (50.53 oz) | 658.3333333333334 g (23.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Vulnerable
White-chinned Petrel
Least Concern
Antarctic Petrel
About These Birds
White-chinned Petrel
51–58 cm, wingspan 134–147 cm. Large black petrel with distinctive white chin patch and ivory-yellow bill with black marks. Breeds South Georgia, Falklands, Prince Edward, Crozet, Kerguelen. Vulnerable; one of the most common longline bycatch victims in Southern Ocean.
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.