Fluttering Shearwater vs Antarctic Petrel
Puffinus gavia compared with Thalassoica antarctica
Side-by-Side Comparison
| Attribute | Fluttering Shearwater | Antarctic Petrel |
|---|---|---|
| Scientific Name | Puffinus gavia | Thalassoica antarctica |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 39.6 cm (15.6 in) | 59.2 cm (23.3 in) |
| Weight | 267.6666666666667 g (9.44 oz) | 658.3333333333334 g (23.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Fluttering Shearwater
Least Concern
Antarctic Petrel
About These Birds
Fluttering Shearwater
33 cm. Dark brown above; white below; relatively short-tailed. Breeds New Zealand North Island coast; non-breeding range restricted to Tasman Sea and nearby waters. Sedentary compared to most shearwaters; feeds on fish and squid. Near Threatened due to small range.
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.