Kerguelen Petrel vs Antarctic Prion
Aphrodroma brevirostris compared with Pachyptila desolata
Side-by-Side Comparison
| Attribute | Kerguelen Petrel | Antarctic Prion |
|---|---|---|
| Scientific Name | Aphrodroma brevirostris | Pachyptila desolata |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 48.0 cm (18.9 in) | 36.5 cm (14.4 in) |
| Weight | 353.0 g (12.45 oz) | 149.0 g (5.26 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Kerguelen Petrel
Least Concern
Antarctic Prion
About These Birds
Kerguelen Petrel
33–36 cm, wingspan 80–85 cm. Dark grey-brown with short rounded bill; distinctive silvery-white flash on leading edge of underwing. Breeds Tristan da Cunha, Gough, Crozet, and Kerguelen. Ranges widely in Southern Ocean; feeds on fish and squid; solitary at sea.
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.