Great Shearwater vs Little Shearwater
Ardenna gravis compared with Puffinus assimilis
Side-by-Side Comparison
| Attribute | Great Shearwater | Little Shearwater |
|---|---|---|
| Scientific Name | Ardenna gravis | Puffinus assimilis |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 63.6 cm (25.0 in) | 36.0 cm (14.2 in) |
| Weight | 832.5 g (29.37 oz) | 198.0 g (6.98 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Great Shearwater
Least Concern
Little Shearwater
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.
Little Shearwater
25–30 cm. Small shearwater; dark above with white underparts and extensive white on face and sides of neck. Breeds Canary Islands, Madeira, and southern hemisphere islands; ranges in adjacent oceans. Feeds on small fish and squid; fast fluttering flight close to water.