Juan Fernandez Petrel vs Atlantic Petrel
Pterodroma externa so với Pterodroma incerta
Side-by-Side Comparison
| Thuộc Tính | Juan Fernandez Petrel | Atlantic Petrel |
|---|---|---|
| Tên Khoa Học | Pterodroma externa | Pterodroma incerta |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Vulnerable | Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 58,3 cm (23.0 in) | 63,6 cm (25.0 in) |
| Khối Lượng | 432,5 g (15.26 oz) | 515,0 g (18.17 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Juan Fernandez Petrel only
Atlantic Petrel only
Tình Trạng Bảo Tồn
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.