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The site was identified as internationally important for bird conservation in 2010 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.

Populations meeting IBA criteria ('key species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Macaroni Penguin Eudyptes chrysolophus	VU	breeding (2006)	130 nests	A1
Black-browed Albatross Thalassarche melanophris	LC	breeding (2005)	594 nests	A1

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2010. The most recent assessment (2015) is shown below.

State (condition of the key species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Marine Coastal/Supratidal	-	good (>90%)	favourable

Pressure (threats to the key species and/or their habitats)
Threat	Timing	Scope	Severity	Result
No known threats	past (and unlikely to return) and no longer limiting	few individ­uals/small area (<10%)	no deteri­oration (<1% over 3 gener­ations)	low

Response (conservation actions taken for the key species and/or their habitats)
Designation	Planning	Action	Result
Little/none of site covered (<10%)	No manage­ment planning has taken place	Some limited conservation initiatives are in place	very low

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	-

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Islote Leonard (Chile). Downloaded from https://datazone.birdlife.org/site/factsheet/islote-leonard-iba-chile on 25/01/2025.