Antarctic Prion vs Pycroft's Petrel
Pachyptila desolata compared with Pterodroma pycrofti
Side-by-Side Comparison
| Attribute | Antarctic Prion | Pycroft's Petrel |
|---|---|---|
| Scientific Name | Pachyptila desolata | Pterodroma pycrofti |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Vulnerable |
| Length | — | — |
| Wingspan | 36.5 cm (14.4 in) | 42.8 cm (16.9 in) |
| Weight | 149.0 g (5.26 oz) | 156.5 g (5.52 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Antarctic Prion
Vulnerable
Pycroft's 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.
Pycroft's Petrel
26–28 cm. Small; pale grey above with dark M-mark; white underparts with partial dark collar. Breeds small islands off northern New Zealand (Poor Knights, Hen & Chickens). Vulnerable; migrates to North Pacific. Feeds on squid and fish; nocturnal at colonies; threatened by rats.