Great Shearwater vs Southern Giant Petrel
Ardenna gravis comparé à Macronectes giganteus
Side-by-Side Comparison
| Attribut | Great Shearwater | Southern Giant Petrel |
|---|---|---|
| Nom scientifique | Ardenna gravis | Macronectes giganteus |
| Ordre | Procellariiformes | Procellariiformes |
| Famille | Procellariidae | Procellariidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 63,6 cm (25.0 in) | 98,7 cm (38.9 in) |
| Poids | 832,5 g (29.37 oz) | 4425,0 g (156.09 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Great Shearwater
Least Concern
Southern Giant 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.
Southern Giant Petrel
86–99 cm, wingspan 185–205 cm; largest procellariid. Bill massive, pale horn with greenish tip. Two morphs: brown-and-white and rare all-white. Breeds Antarctic and subantarctic islands; ranges widely in Southern Ocean. Scavenges carrion and kills penguins; dominant at seal carcasses.