Great Shearwater vs Fulmar Prion
Ardenna gravis compared with Pachyptila crassirostris
Side-by-Side Comparison
| Attribute | Great Shearwater | Fulmar Prion |
|---|---|---|
| Scientific Name | Ardenna gravis | Pachyptila crassirostris |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 63.6 cm (25.0 in) | 36.4 cm (14.3 in) |
| Weight | 832.5 g (29.37 oz) | 142.83333333333334 g (5.04 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Great Shearwater
Least Concern
Fulmar Prion
About These Birds
Great Shearwater
43–51 cm, wingspan 105–122 cm. Large; dark brown above with white underparts, dark cap, and distinctive scaly pattern on upperwing. Breeds Tristan da Cunha, Gough, and Falklands; migrates to North Atlantic. Feeds on fish and squid; spectacular post-breeding migration past UK coasts.
Fulmar Prion
26–28 cm. Intermediate-sized prion with a thick, fulmar-like bill; pale grey above with dark wing pattern. Breeds Bounty, Snares, and Heard islands. Resembles Broad-billed but has heavier bill base. Feeds on crustaceans; overlaps broadly with other prions at sea.