French: Pétrel de Juan Fernandez German: Salvinsturmvogel Spanish: Petrel de las Juan Fernández
Más Afuera Island, Chile
C Pacific Ocean, breeding on Alejandro Selkirk I (formerly Más Afuera I), in Juan Fernández Is (off EC Chile).
42·5–45 cm; 310–555 g; wingspan 95–114 cm. Large grey-and-white, long-billed and dark-capped gadfly petrel with mostly clean white underwing.... read more
Vocal only at colonies, in flight giving prolonged sighing whistles, especially during male/female... read more
Marine and highly pelagic, rarely approaching land except at colonies. Breeds on high ground at 600... read more
Food and feeding
Probably takes mostly ommastrephid squid and flying-fish, but also recorded taking Vinciguerria (Gonostomatidae, bristlemouths) and sea... read more
Poorly known. Starts Oct/Nov on return to colony, with egg-laying probably between 20 Dec and 10 Jan (based on single season) and fledging... read more
Mainly found around breeding islands (34º S) while nesting, although some penetrate as far S... read more
Status and conservation
VULNERABLE. Total population was estimated to number > 1,000,000 pairs and 3,000,000 birds in 1986, with no firm evidence of decline since then. Fossil material pertaining... read more
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