Antarctic Prion vs Newell's Shearwater
Pachyptila desolata compared with Puffinus newelli
Side-by-Side Comparison
| Attribute | Antarctic Prion | Newell's Shearwater |
|---|---|---|
| Scientific Name | Pachyptila desolata | Puffinus newelli |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Critically Endangered |
| Length | — | — |
| Wingspan | 36.5 cm (14.4 in) | 48.2 cm (19.0 in) |
| Weight | 149.0 g (5.26 oz) | 382.5 g (13.49 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Antarctic Prion
Critically Endangered
Newell'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.
Newell's Shearwater
33 cm. Dark above; white below with variable dark markings on flanks and vent. Breeds Kauai and possibly other Hawaiian islands. Endangered; threatened by introduced predators, light attraction, and vehicle strikes. Migrates to western Pacific; feeds on fish and squid.