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Location Chile, Región de Los Lagos
Central coordinates 73o 37.09' West  41o 49.64' South
IBA criteria A1, A4i
Area 719 ha
Year of IBA assessment 2010

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

Site description Gran bahía con fluctuaciones de mareas, suelos de sedimentos, vegetación de alga Gracillaria. Playas de arena y piedras.

Key Biodiversity Área importante para la presencia de aves migratorias del hermisferio norte y zona austral del país.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Chilean Flamingo Phoenicopterus chilensis winter  1990-2010  400-600 individuals  unknown  A1  Near Threatened 
Hudsonian Godwit Limosa haemastica winter  1990-2010  9,000 individuals  unknown  A4i  Least Concern 
South American Tern Sterna hirundinacea resident  1990-2010  1,800 individuals  unknown  A4i  Least Concern 

IBA Monitoring

2015 medium unfavourable negligible
Medium - based upon reliable but incomplete / partially representative data

Biological resource use fishing & harvesting aquatic resources - unintentional effects: subsistence/small scale happening now some of area/population (10-49%) slow but significant deterioration medium
Residential and commercial development housing and urban areas happening now small area/few individuals (<10%) no or imperceptible deterioration low

Grassland   80 80 100 poor (40-69%) unfavourable
Marine Intertidal   630 630 100 good (> 90%) favourable

Little/none of site covered (<10%)  No management planning has taken place  Some limited conservation initiatives are in place  negligible 


IUCN habitat Habitat detail Extent (% of site)
Coastline Intertidal mud, sand & salt flats; Shingle & stony beaches  major
Grassland   -
Marine Intertidal   -

Protection status Area libre de caza

Acknowledgements Luis Espinosa, Andreas von Meyer, censos Wetlands International

References Luis Espinosa, Andreas von Meyer, censos Wetlands International

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Santuario de las Aves Bahía de Caulín. Downloaded from on 22/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife