Kerguelen Petrel vs Great Shearwater
Aphrodroma brevirostris compared with Ardenna gravis
Side-by-Side Comparison
| Attribute | Kerguelen Petrel | Great Shearwater |
|---|---|---|
| Scientific Name | Aphrodroma brevirostris | Ardenna gravis |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 48.0 cm (18.9 in) | 63.6 cm (25.0 in) |
| Weight | 353.0 g (12.45 oz) | 832.5 g (29.37 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Kerguelen Petrel
Least Concern
Great Shearwater
About These Birds
Kerguelen Petrel
33–36 cm, wingspan 80–85 cm. Dark grey-brown with short rounded bill; distinctive silvery-white flash on leading edge of underwing. Breeds Tristan da Cunha, Gough, Crozet, and Kerguelen. Ranges widely in Southern Ocean; feeds on fish and squid; solitary at sea.
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.