Antarctic Prion vs Mottled Petrel
Pachyptila desolata compared with Pterodroma inexpectata
Side-by-Side Comparison
| Attribute | Antarctic Prion | Mottled Petrel |
|---|---|---|
| Scientific Name | Pachyptila desolata | Pterodroma inexpectata |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Near Threatened |
| Length | — | — |
| Wingspan | 36.5 cm (14.4 in) | 50.0 cm (19.7 in) |
| Weight | 149.0 g (5.26 oz) | 344.0 g (12.13 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Antarctic Prion
Near Threatened
Mottled 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.
Mottled Petrel
33–36 cm. Dark grey above with bold dark M-mark; white below with distinctive dark belly patch. Breeds New Zealand subantarctic islands (Snares, Chatham, Antipodes). Migrates to North Pacific in boreal winter. Near Threatened; feeds on squid and crustaceans.