Great Shearwater vs Magellanic Diving-petrel
Ardenna gravis compared with Pelecanoides magellani
Side-by-Side Comparison
| Attribute | Great Shearwater | Magellanic Diving-petrel |
|---|---|---|
| Scientific Name | Ardenna gravis | Pelecanoides magellani |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 63.6 cm (25.0 in) | 25.1 cm (9.9 in) |
| Weight | 832.5 g (29.37 oz) | 149.25 g (5.26 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Great Shearwater
Least Concern
Magellanic Diving-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.
Magellanic Diving-petrel
20–24 cm. Dark above, white below; narrow white tips to secondary feathers. Breeds southern Chile and Argentina (Strait of Magellan and Falklands). Year-round resident in coastal cold waters. Feeds on fish and crustaceans by pursuit-diving; nests in burrows on coastal islands.