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The site was identified as important in 2020 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

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

Species	Red List1	Season	Year(s)	Size	IBA criteria
Coscoroba Swan Coscoroba coscoroba	LC	resident	2016-2020	321-387 individuals	A4, B3a
Black-necked Swan Cygnus melancoryphus	LC	resident	2008	1,000-2,499 individuals	A4i
Chilean Flamingo Phoenicopterus chilensis	NT	winter	2008	200 individuals	A1
Chilean Flamingo Phoenicopterus chilensis	NT	non-breeding	2016-2020	13-269 individuals	B1a
Peruvian Pelican Pelecanus thagus	NT	non-breeding	2016-2020	3-31 individuals	B1a

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2020) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2020. The most recent assessment (2020) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Marine Intertidal	-	poor (40-69%)	very unfavourable
Marine Coastal/Supratidal	-	moderate (70-90%)	unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Climate change and severe weather	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high
Geological events	likely in short term (within 4 years)	some of area/population (10-49%)	very rapid to severe deterioration	high
Human intrusions and disturbance	happening now	some of area/population (10-49%)	moderate to rapid deterioration	high
Biological resource use	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Natural system modifications	likely in short term (within 4 years)	some of area/population (10-49%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
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	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	high

Year	Protected Area	Designation	% overlap with IBA
1996	El Yali	Reserva Nacional	5
1996	Humedal el Yali	Ramsar Site, Wetland of International Importance	4

Habitat1	Habitat detail	% of IBA
Marine Coastal/Supratidal		major (>10)
Marine Intertidal		major (>10)
Marine Neritic		major (>10)

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Humedal El Yali (Chile). Downloaded from https://datazone.birdlife.org/site/factsheet/humedal-el-yali-iba-chile on 23/11/2024.