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Location Chile, Región del Maule
Central coordinates 72o 26.02' West  35o 19.45' South
IBA criteria A1
Area 150 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
Peruvian Pelican Pelecanus thagus unknown  2008  2,000 individuals  medium  A1  Near Threatened 
Inca Tern Larosterna inca unknown  2008  150 individuals  good  A1  Near Threatened 

IBA Monitoring

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

Pollution industrial & military effluents - type unknown/unrecorded happening now some of area/population (10-49%) slow but significant deterioration medium

Marine Coastal/Supratidal   108 108 100 good (> 90%) favourable

Whole area of site (>90%) covered by appropriate conservation designation  No management planning has taken place  Very little or no conservation action taking place  low 


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

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Santuario de la Naturaleza Rocas de Constitución. Downloaded from on 22/10/2016

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