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The site was identified as important 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 List1	Season	Year(s)	Size	IBA criteria
Puerto Rican Nightjar Antrostomus noctitherus	VU	resident	2007	present	A1, A2
Green Mango Anthracothorax viridis	LC	resident	2005	unknown	A2
Puerto Rican Mango Anthracothorax aurulentus	LC	resident	2005	unknown	A2
Puerto Rican Emerald Riccordia maugaeus	LC	resident	2005	unknown	A2
Puerto Rican Owl Gymnasio nudipes	LC	resident	2007	unknown	A2
Puerto Rican Tody Todus mexicanus	LC	resident	2005	unknown	A2
Puerto Rican Woodpecker Melanerpes portoricensis	LC	resident	2005	unknown	A2
Caribbean Elaenia Elaenia martinica	LC	resident	2007	unknown	A2
Lesser Antillean Pewee Contopus latirostris	LC	resident	2005	unknown	A2
Puerto Rican Flycatcher Myiarchus antillarum	LC	resident	2005	unknown	A2
Puerto Rican Vireo Vireo latimeri	LC	resident	2007	unknown	A2
Pearly-eyed Thrasher Margarops fuscatus	LC	resident	2005	unknown	A2
Puerto Rican Euphonia Euphonia sclateri	LC	resident	2007	unknown	A2
Yellow-shouldered Blackbird Agelaius xanthomus	EN	resident	2007	< 50 individuals	A1, A2
Adelaide's Warbler Setophaga adelaidae	LC	resident	2005	unknown	A2
Puerto Rican Spindalis Spindalis portoricensis	LC	resident	2005	unknown	A2
Puerto Rican Bullfinch Melopyrrha portoricensis	VU	resident	2005	unknown	A2

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.

Year	Protected Area	Designation	% overlap with IBA
-	Refugio De Vida Silvestre De Boquerón	National Conservation Area	20
-	Reserva Natural Punta Guaniquilla	Private Conservation	14
-	Bosque Estatal De Boquerón	State Resource Management Area	2
-	Reserva Natural De Punta Guaniquilla	State Conservation Area	1
1918	Bosque Estatal de Boqueron	State Forest	-
1977	Reserva Natural Punta Guaniquilla	Natural Reserve	-
1998	Bosque Natural de Boquerón	Natural Reserve	3

Habitat1	Habitat detail	% of IBA
Forest	Mangrove	-
Introduced vegetation		-
Marine Coastal/Supratidal		-
Marine Intertidal		-
Shrubland		-

1. IUCN Habitat classification.

Land use	% of IBA
hunting	-
nature conservation and research	-
tourism/recreation	-
urban/industrial/transport	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Guaniquilla and Boquerón (Puerto Rico (to USA)). Downloaded from https://datazone.birdlife.org/site/factsheet/guaniquilla-and-boquerón-iba-puerto-rico-(to-usa) on 23/11/2024.