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Location Chile, Región de Valparaíso
Central coordinates 80o 0.11' West  26o 19.30' South
IBA criteria A1, A4ii
Area 590 ha
Year of IBA assessment 2010

Comité Nacional Pro Defensa de la Flora y Fauna (Affiliate)

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Masatierra Petrel Pterodroma defilippiana breeding  10,000-19,999 individuals  unknown  A1, A4ii  Vulnerable 

IBA Monitoring

2014 low favourable negligible
Medium - based upon reliable but incomplete / partially representative data

No known threats no known threats happening now whole area/population (>90%) no or imperceptible deterioration low

Rocky areas   590 590 100 good (> 90%) favourable

Little/none of site covered (<10%)  No management planning has taken place  Very little or no conservation action taking place  negligible 


IUCN habitat Habitat detail Extent (% of site)
Marine Coastal/Supratidal   -
Rocky areas   major

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Islas Desventuradas. Downloaded from on 24/10/2016

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