Sooty Shearwater vs Antarctic Prion
Ardenna grisea compared with Pachyptila desolata
Side-by-Side Comparison
| Attribute | Sooty Shearwater | Antarctic Prion |
|---|---|---|
| Scientific Name | Ardenna grisea | Pachyptila desolata |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 59.1 cm (23.3 in) | 36.5 cm (14.4 in) |
| Weight | 814.0 g (28.71 oz) | 149.0 g (5.26 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Near Threatened
Sooty Shearwater
Least Concern
Antarctic Prion
About These Birds
Sooty Shearwater
40–51 cm, wingspan 94–110 cm. All dark sooty-brown with silvery-white underwing flash. Breeds New Zealand and southern South America; undertakes one of the longest migrations of any animal to North Pacific and Atlantic. Feeds on fish, squid, and krill. Near Threatened; millions estimated.
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.