Great Shearwater vs South Georgia Diving-petrel
Ardenna gravis verglichen mit Pelecanoides georgicus
Side-by-Side Comparison
| Merkmal | Great Shearwater | South Georgia Diving-petrel |
|---|---|---|
| Wissenschaftlicher Name | Ardenna gravis | Pelecanoides georgicus |
| Ordnung | Procellariiformes | Procellariiformes |
| Familie | Procellariidae | Procellariidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 63,6 cm (25.0 in) | 22,6 cm (8.9 in) |
| Gewicht | 832,5 g (29.37 oz) | 129,0 g (4.55 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Great Shearwater
Least Concern
South Georgia 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.
South Georgia Diving-petrel
20 cm. Tiny; dark above, white below; paler scapular edges. Breeds South Georgia, Kerguelen, and Heard Island. Extremely abundant; possibly billions of individuals in Southern Ocean. Feeds on euphausiids by diving; sympatric with Common Diving-petrel but smaller with narrower bill.