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Location Chile, Región de Los Lagos
Central coordinates 73o 38.52' West  41o 35.47' South
IBA criteria A1, A4i
Area 8,345 ha
Year of IBA assessment 2010

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

Site description Desembocadura del río Maullin con localidades adyacentes de zonas intermareales,roquerios,marismas y playas de arena, incluye al cerro Amortajado

Key Biodiversity Lugares frecuentados por especies migratorias del hemisferio 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 non-breeding  2008-2010  150-500 individuals  unknown  A1  Near Threatened 
Red-legged Cormorant Phalacrocorax gaimardi breeding  2000-2004  691 nests  unknown  A1, A4i  Near Threatened 
Hudsonian Godwit Limosa haemastica non-breeding  1980-2010  3,000 individuals  medium  A4i  Least Concern 

IBA Monitoring

2015 medium near favourable low
Medium - based upon reliable but incomplete / partially representative data

Agriculture and aquaculture marine and freshwater aquaculture - subsistence/artisinal aquaculture happening now small area/few individuals (<10%) no or imperceptible deterioration low
Pollution domestic & urban waste water - sewage happening now some of area/population (10-49%) slow but significant deterioration medium

Forest   1650 1650 100 moderate (70-90%) near favourable
Marine Coastal/Supratidal   600 600 100 good (> 90%) favourable
Marine Neritic (Nearshore Shelf)   6000 6000 100 good (> 90%) favourable

Little/none of site covered (<10%)  No management plan exists but the management planning process has begun  Some limited conservation initiatives are in place  low 


IUCN habitat Habitat detail Extent (% of site)
Marine Neritic (Nearshore Shelf)   -
Forest   -
Marine Coastal/Supratidal   -

Protection status Area libre de caza.

Acknowledgements Luis Espinosa,Andreas von Meyer,Wetlands International.Esteban Frere,et al 2004;Bird Conservation International 2004.

References Luis Espinosa,Andreas von Meyer,Wetlands International.Esteban Frere,et al 2004;Bird Conservation International 2004.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Estuario de Maullín y Cerro Amortajado. Downloaded from on 26/10/2016

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