Juan Fernandez Petrel vs Atlantic Petrel
Pterodroma externa verglichen mit Pterodroma incerta
Side-by-Side Comparison
| Merkmal | Juan Fernandez Petrel | Atlantic Petrel |
|---|---|---|
| Wissenschaftlicher Name | Pterodroma externa | Pterodroma incerta |
| Ordnung | Procellariiformes | Procellariiformes |
| Familie | Procellariidae | Procellariidae |
| Erhaltungsstatus | Vulnerable | Endangered |
| Länge | — | — |
| Flügelspannweite | 58,3 cm (23.0 in) | 63,6 cm (25.0 in) |
| Gewicht | 432,5 g (15.26 oz) | 515,0 g (18.17 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Vulnerable
Juan Fernandez Petrel
Endangered
Atlantic Petrel
About These Birds
Juan Fernandez Petrel
43 cm, wingspan 97 cm. Large; dark grey-brown above with white nape and underparts; dark carpal bar and partial collar. Breeds Juan Fernandez Islands (Chile); ranges across subtropical Pacific. Vulnerable due to small breeding range; feeds on fish and squid.
Atlantic Petrel
43 cm, wingspan 104 cm. Large; dark brown above with pale belly and dusky breast-band creating hooded appearance. Breeds Tristan da Cunha and Gough Island; ranges into south Atlantic and Indian Ocean. Endangered; threatened by introduced predators and longline fisheries.