Great-winged Petrel vs Antarctic Petrel
Pterodroma macroptera compared with Thalassoica antarctica
Side-by-Side Comparison
| Attribute | Great-winged Petrel | Antarctic Petrel |
|---|---|---|
| Scientific Name | Pterodroma macroptera | Thalassoica antarctica |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 60.7 cm (23.9 in) | 59.2 cm (23.3 in) |
| Weight | 548.75 g (19.36 oz) | 658.3333333333334 g (23.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Conservation Status
Least Concern
Great-winged Petrel
Least Concern
Antarctic Petrel
About These Birds
Great-winged Petrel
41 cm, wingspan 97 cm. Large all-dark gadfly petrel; dusky bill, black feet. Breeds on islands from Tristan da Cunha to SW Australia and New Zealand. Ranges widely in southern Atlantic, Indian, and Pacific oceans. Flies with characteristic high arcing; feeds on squid and fish.
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.