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Location Chile, Región de Arica y Parinacota
Central coordinates 70o 19.40' West  18o 24.76' South
IBA criteria A1, A4i, A4iii
Area 300 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 resident  2007  20-700 individuals  medium  A1  Near Threatened 
Whimbrel Numenius phaeopus non-breeding  2007  1,216 individuals  good  A4i  Least Concern 
Sanderling Calidris alba winter  2009  2,700 individuals  medium  A4i  Least Concern 
Belcher's Gull Larus belcheri resident  2007  120-1,500 individuals  good  A4i  Least Concern 
Grey Gull Larus modestus resident  2007  800-10,000 individuals  good  A4i  Least Concern 
Franklin's Gull Larus pipixcan non-breeding  2007  30,000 individuals  good  A4i  Least Concern 
Elegant Tern Thalasseus elegans non-breeding  2007  3,000 individuals  good  A1, A4i  Near Threatened 
Inca Tern Larosterna inca resident  2007  210 individuals  good  A1  Near Threatened 
Chilean Woodstar Eulidia yarrellii resident  2007  2 individuals  medium  A1  Critically Endangered 
Tamarugo Conebill Conirostrum tamarugense resident  2007  35 individuals  good  A1  Vulnerable 
A4iii Species group - waterbirds non-breeding  2007  20,000-49,999 individuals  unknown  A4iii   

IBA Monitoring

2015 high very unfavourable high
Medium - based upon reliable but incomplete / partially representative data

Agriculture and aquaculture annual & perennial non-timber crops - small-holder farming happening now some of area/population (10-49%) very rapid to severe deterioration high
Climate change and severe weather habitat shifting and alteration likely in short term (within 4 years) whole area/population (>90%) slow but significant deterioration high

Marine Coastal/Supratidal   312 208 67 moderate (70-90%) very unfavourable

Whole area of site (>90%) covered by appropriate conservation designation  A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species  The conservation measures needed for the site are being comprehensively and effectively implemented  high 


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

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Desembocadura del Río Lluta. Downloaded from on 28/10/2016

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