Great Shearwater vs Yelkouan Shearwater
Ardenna gravis comparado com Puffinus yelkouan
Side-by-Side Comparison
| Atributo | Great Shearwater | Yelkouan Shearwater |
|---|---|---|
| Nome científico | Ardenna gravis | Puffinus yelkouan |
| Ordem | Procellariiformes | Procellariiformes |
| Família | Procellariidae | Procellariidae |
| Estado de conservação | Least Concern | Vulnerable |
| Comprimento | — | — |
| Envergadura | 63,6 cm (25.0 in) | 45,8 cm (18.0 in) |
| Peso | 832,5 g (29.37 oz) | 422,5 g (14.90 oz) |
| Dieta | -- | -- |
| Tamanho da postura | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservação
Least Concern
Great Shearwater
Vulnerable
Yelkouan 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.
Yelkouan Shearwater
30–38 cm. Brown-black above, white below; similar to Manx but darker with brown flanks and dusky undertail. Breeds Mediterranean islands and coasts. Non-breeding range in eastern Mediterranean and Black Sea. Vulnerable; threatened by introduced predators and light pollution. Feeds on fish and squid.