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Location Chile, Región de Magallanes y la Antártica Chilena
Central coordinates 69o 27.02' West  55o 43.79' South
IBA criteria A1, A4ii, A4iii
Area 1,000 ha
Altitude
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
Southern Rockhopper Penguin Eudyptes chrysocome breeding  2007  86,400 breeding pairs  unknown  A1, A4ii  Vulnerable 
Black-browed Albatross Thalassarche melanophris breeding  2007  47,000 breeding pairs  medium  A1, A4ii  Near Threatened 
A4iii Species group - seabirds breeding  2007  100,000-499,999 breeding pairs  medium  A4iii   

IBA Monitoring

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

No known threats no known threats past (and unlikely to return) and no longer limiting small area/few individuals (<10%) no or imperceptible deterioration low

Marine Coastal/Supratidal   212 212 100 good (> 90%) favourable

Whole area of site (>90%) covered by appropriate conservation designation  A management plan exists but it is out of date or not comprehensive  Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity  medium 

Habitats

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: Islas Ildefonso. Downloaded from http://www.birdlife.org on 26/08/2016

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