Great Shearwater vs Westland Petrel
Ardenna gravis comparé à Procellaria westlandica
Side-by-Side Comparison
| Attribut | Great Shearwater | Westland Petrel |
|---|---|---|
| Nom scientifique | Ardenna gravis | Procellaria westlandica |
| Ordre | Procellariiformes | Procellariiformes |
| Famille | Procellariidae | Procellariidae |
| Statut de conservation | Least Concern | Endangered |
| Longueur | — | — |
| Envergure | 63,6 cm (25.0 in) | 73,8 cm (29.1 in) |
| Poids | 832,5 g (29.37 oz) | 1111,5 g (39.21 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Great Shearwater
Endangered
Westland 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.
Westland Petrel
51 cm. Large all-black petrel; pale yellowish bill with dark culmen. Breeds only in inland forests of Westland, South Island, New Zealand. Vulnerable; the only procellariid nesting in inland forest. Migrates to southern Pacific; feeds on squid and fish.