Great Shearwater vs Sooty Shearwater
Ardenna gravis comparado con Ardenna grisea
Side-by-Side Comparison
| Atributo | Great Shearwater | Sooty Shearwater |
|---|---|---|
| Nombre científico | Ardenna gravis | Ardenna grisea |
| Orden | Procellariiformes | Procellariiformes |
| Familia | Procellariidae | Procellariidae |
| Estado de conservación | Least Concern | Near Threatened |
| Longitud | — | — |
| Envergadura | 63,6 cm (25.0 in) | 59,1 cm (23.3 in) |
| Peso | 832,5 g (29.37 oz) | 814,0 g (28.71 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ninguno
Great Shearwater only
Sooty Shearwater only
Estado de conservación
Least Concern
Great Shearwater
Near Threatened
Sooty Shearwater
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.
Sooty Shearwater
40–51 cm, wingspan 94–110 cm. All dark sooty-brown with silvery-white underwing flash. Breeds New Zealand and southern South America; undertakes one of the longest migrations of any animal to North Pacific and Atlantic. Feeds on fish, squid, and krill. Near Threatened; millions estimated.