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The site was identified as internationally important for bird conservation in 2007 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 List	Season (year/s of estimate)	Size	IBA criteria
White-tailed Tropicbird Phaethon lepturus	LC	breeding (2002)	237 birds	B4ii
Green Mango Anthracothorax viridis	LC	resident (2007)	unknown	A2
Puerto Rican Mango Anthracothorax aurulentus	LC	resident (2002)	unknown	A2
Puerto Rican Emerald Riccordia maugaeus	LC	resident (2007)	unknown	A2
Puerto Rican Lizard-cuckoo Coccyzus vieilloti	LC	resident (2007)	unknown	A2
Puerto Rican Owl Gymnasio nudipes	LC	resident (2007)	unknown	A2
Puerto Rican Tody Todus mexicanus	LC	resident (2007)	unknown	A2
Puerto Rican Woodpecker Melanerpes portoricensis	LC	resident (2007)	unknown	A2
Lesser Antillean Pewee Contopus latirostris	LC	resident (2007)	unknown	A2
Puerto Rican Flycatcher Myiarchus antillarum	LC	resident (2002)	unknown	A2
Puerto Rican Vireo Vireo latimeri	LC	resident (2007)	unknown	A2
Pearly-eyed Thrasher Margarops fuscatus	LC	resident (2007)	unknown	A2
Puerto Rican Euphonia Euphonia sclateri	LC	resident (2007)	unknown	A2
Adelaide's Warbler Setophaga adelaidae	LC	resident (2002)	unknown	A2
Puerto Rican Spindalis Spindalis portoricensis	LC	resident (2007)	unknown	A2
Puerto Rican Bullfinch Melopyrrha portoricensis	VU	resident (2007)	unknown	A2

The Local Conservation Group(s) listed below are working to conserve this IBA.

Name	Year formed
Liga Ecológica Quebradillana	0

For more information on BirdLife's work with Local Conservation Groups, please visit Spotlight on local empowerment.

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	major (>10)
Marine Neritic	major (>10)
Forest	-
Introduced vegetation	-
Shrubland	-

Land use	% of IBA
agriculture	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Acantilados del Noroeste (Puerto Rico (to USA)). Downloaded from https://datazone.birdlife.org/site/factsheet/acantilados-del-noroeste-iba-puerto-rico-(to-usa) on 23/12/2024.