Cape Verde Shearwater vs Antarctic Petrel
Calonectris edwardsii compared with Thalassoica antarctica
Side-by-Side Comparison
| Attribute | Cape Verde Shearwater | Antarctic Petrel |
|---|---|---|
| Scientific Name | Calonectris edwardsii | Thalassoica antarctica |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 61.8 cm (24.3 in) | 59.2 cm (23.3 in) |
| Weight | 470.0 g (16.58 oz) | 658.3333333333334 g (23.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Conservation Status
Near Threatened
Cape Verde Shearwater
Least Concern
Antarctic Petrel
About These Birds
Cape Verde Shearwater
43–47 cm. Smaller than Cory's Shearwater; grey-brown above, white below with yellow bill. Breeds Cape Verde Islands. Migrates south through east Atlantic to south Atlantic and Indian Ocean. Near Threatened; threatened by introduced cats and rats; feeds on fish and squid.
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.