Scopoli's Shearwater vs Antarctic Petrel
Calonectris diomedea compared with Thalassoica antarctica
Side-by-Side Comparison
| Attribute | Scopoli's Shearwater | Antarctic Petrel |
|---|---|---|
| Scientific Name | Calonectris diomedea | Thalassoica antarctica |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 68.8 cm (27.1 in) | 59.2 cm (23.3 in) |
| Weight | 707.0 g (24.94 oz) | 658.3333333333334 g (23.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Conservation Status
Least Concern
Scopoli's Shearwater
Least Concern
Antarctic Petrel
About These Birds
Scopoli's Shearwater
45–56 cm, wingspan 112–122 cm. Large; brown-grey above with yellow bill; white below. Breeds Mediterranean islands; migrates to Atlantic. Formerly lumped with Cory's Shearwater; distinguished by smaller size and more restricted breeding range. 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.