Great Shearwater vs Fiji Petrel
Ardenna gravis compared with Pseudobulweria macgillivrayi
Side-by-Side Comparison
| Attribute | Great Shearwater | Fiji Petrel |
|---|---|---|
| Scientific Name | Ardenna gravis | Pseudobulweria macgillivrayi |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Critically Endangered |
| Length | — | — |
| Wingspan | 63.6 cm (25.0 in) | 40.8 cm (16.1 in) |
| Weight | 832.5 g (29.37 oz) | 132.5 g (4.67 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Great Shearwater
Critically Endangered
Fiji 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.
Fiji Petrel
30 cm. Small dark petrel; all dark brown with slightly paler chin. Critically Endangered; only one confirmed breeding record from Gau Island, Fiji. Fewer than 50 known sightings total. Possibly nests in highland forest burrows; one of the rarest and least-known petrels.