Antarctic Prion vs Black-capped Petrel
Pachyptila desolata compared with Pterodroma hasitata
Side-by-Side Comparison
| Attribute | Antarctic Prion | Black-capped Petrel |
|---|---|---|
| Scientific Name | Pachyptila desolata | Pterodroma hasitata |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Endangered |
| Length | — | — |
| Wingspan | 36.5 cm (14.4 in) | 56.6 cm (22.3 in) |
| Weight | 149.0 g (5.26 oz) | 443.8333333333333 g (15.66 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Antarctic Prion
Endangered
Black-capped Petrel
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.
Black-capped Petrel
40 cm. Large gadfly petrel; dark cap and upperparts, white underparts with dark carpal bar. Breeds Hispaniola and Cuba; once very abundant. Endangered; longline bycatch and habitat loss are key threats. Ranges widely in western and central Atlantic; crepuscular at colonies.