Antarctic Prion vs Bryan's Shearwater
Pachyptila desolata compared with Puffinus bryani
Side-by-Side Comparison
| Attribute | Antarctic Prion | Bryan's Shearwater |
|---|---|---|
| Scientific Name | Pachyptila desolata | Puffinus bryani |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Critically Endangered |
| Length | — | — |
| Wingspan | 36.5 cm (14.4 in) | 33.0 cm (13.0 in) |
| Weight | 149.0 g (5.26 oz) | 147.0 g (5.19 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Antarctic Prion
Critically Endangered
Bryan's 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.
Bryan's Shearwater
27 cm. Small shearwater; dark brown above, white below with dark smudging on flanks. Known from only a few specimens collected at Midway Atoll; Critically Endangered or possibly extinct. No confirmed breeding in decades; one of the least-known shearwaters.