Great Shearwater vs Grey Petrel
Ardenna gravis comparado con Procellaria cinerea
Side-by-Side Comparison
| Atributo | Great Shearwater | Grey Petrel |
|---|---|---|
| Nombre científico | Ardenna gravis | Procellaria cinerea |
| Orden | Procellariiformes | Procellariiformes |
| Familia | Procellariidae | Procellariidae |
| Estado de conservación | Least Concern | Near Threatened |
| Longitud | — | — |
| Envergadura | 63,6 cm (25.0 in) | 65,2 cm (25.7 in) |
| Peso | 832,5 g (29.37 oz) | 1140,0 g (40.21 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Least Concern
Great Shearwater
Near Threatened
Grey 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.
Grey Petrel
48 cm, wingspan 119–130 cm. Grey petrel with pale yellowish bill; white underparts. Breeds Tristan da Cunha, Gough, Auckland, Antipodes, Crozet, and Kerguelen. Unique among petrels in breeding in winter; feeds on fish and squid. Near Threatened; bycatch in longline fisheries.