Antarctic Prion vs Yelkouan Shearwater
Pachyptila desolata compared with Puffinus yelkouan
Side-by-Side Comparison
| Attribute | Antarctic Prion | Yelkouan Shearwater |
|---|---|---|
| Scientific Name | Pachyptila desolata | Puffinus yelkouan |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Vulnerable |
| Length | — | — |
| Wingspan | 36.5 cm (14.4 in) | 45.8 cm (18.0 in) |
| Weight | 149.0 g (5.26 oz) | 422.5 g (14.90 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Antarctic Prion
Vulnerable
Yelkouan Shearwater
About These Birds
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.
Yelkouan Shearwater
30–38 cm. Brown-black above, white below; similar to Manx but darker with brown flanks and dusky undertail. Breeds Mediterranean islands and coasts. Non-breeding range in eastern Mediterranean and Black Sea. Vulnerable; threatened by introduced predators and light pollution. Feeds on fish and squid.