Juan Fernandez Petrel vs Atlantic Petrel
Pterodroma externa 비교 대상 Pterodroma incerta
Side-by-Side Comparison
| 속성 | Juan Fernandez Petrel | Atlantic Petrel |
|---|---|---|
| 학명 | Pterodroma externa | Pterodroma incerta |
| 목 | Procellariiformes | Procellariiformes |
| 과 | Procellariidae | Procellariidae |
| 보전 상태 | Vulnerable | Endangered |
| 체장 | — | — |
| 날개 폭 | 58.3 cm (23.0 in) | 63.6 cm (25.0 in) |
| 체중 | 432.5 g (15.26 oz) | 515.0 g (18.17 oz) |
| 식성 | -- | -- |
| 산란 수 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
보전 상태
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.