Scopoli's Shearwater vs Antarctic Prion
Calonectris diomedea compared with Pachyptila desolata
Side-by-Side Comparison
| Attribute | Scopoli's Shearwater | Antarctic Prion |
|---|---|---|
| Scientific Name | Calonectris diomedea | Pachyptila desolata |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 68.8 cm (27.1 in) | 36.5 cm (14.4 in) |
| Weight | 707.0 g (24.94 oz) | 149.0 g (5.26 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Scopoli's Shearwater
Least Concern
Antarctic Prion
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 Prion
25–28 cm, wingspan 58–66 cm. Classic prion pattern: pale blue-grey, white below, bold dark M across upperwing. Medium-broad bill. Most abundant and widespread prion; breeds South Georgia, Heard, Kerguelen, Macquarie. Feeds on crustaceans; makes deep dives compared to congeners.