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Pterodroma externa (Salvin, 1875) Juan fernandez petrel |
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| Family: | Procellariidae () | |||
| Max. size: | 43 cm TL (male/unsexed); max.weight: 430.0 g | |||
| Environment: | others; marine | |||
| Distribution: | Indo-Pacific and Southeast Atlantic. Tropical and subtropical. | |||
| Diagnosis: | Culmen: 3.78 cm; tarsus: 4.08 cm; wing: 31.8 cm. | |||
| Biology: | Forms breeding colonies on oceanic islands. Does not commonly trail ships (Ref. 91362). Exhibits pursuit diving (Ref. 356). | |||
| IUCN Red List Status: | Vulnerable (VU); Date assessed: 07 August 2018 (D2) Ref. 123251) | |||
| Threat to humans: | ||||
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