Great Shearwater vs Common Diving-petrel
Ardenna gravis comparé à Pelecanoides urinatrix
Side-by-Side Comparison
| Attribut | Great Shearwater | Common Diving-petrel |
|---|---|---|
| Nom scientifique | Ardenna gravis | Pelecanoides urinatrix |
| Ordre | Procellariiformes | Procellariiformes |
| Famille | Procellariidae | Procellariidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 63,6 cm (25.0 in) | 24,3 cm (9.6 in) |
| Poids | 832,5 g (29.37 oz) | 135,5 g (4.78 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Great Shearwater
Least Concern
Common 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.
Common Diving-petrel
20–25 cm. Dark above; white below; broad wings used for underwater propulsion. Most widespread diving-petrel; breeds New Zealand, southern Australia, Falklands, and subantarctic islands. Feeds on small fish and crustaceans by diving. Highly vulnerable to introduced predators at nesting colonies.