Great Shearwater vs Vanuatu petrel
Ardenna gravis compared with Pterodroma occulta
Side-by-Side Comparison
| Attribute | Great Shearwater | Vanuatu petrel |
|---|---|---|
| Scientific Name | Ardenna gravis | Pterodroma occulta |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Not Evaluated |
| Length | — | — |
| Wingspan | 63.6 cm (25.0 in) | — |
| Weight | 832.5 g (29.37 oz) | 325.0 g (11.46 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Great Shearwater
Not Evaluated
Vanuatu petrel
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.
Vanuatu petrel
37–40 cm. Dark above with white forehead and underparts; black partial collar. Breeds Vanuatu; poorly known. Endangered or Critically Endangered with very few confirmed nests. Described as full species only in 1984; nocturnal at colonies; feeds on squid and fish in tropical Pacific.