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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
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 birds	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

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Refugio De Vida Silvestre De Boquerón	National Conservation Area (V)	20
-	Reserva Natural Punta Guaniquilla	Private Conservation (V)	14
-	Bosque Estatal De Boquerón	State Resource Management Area (VI)	2
-	Reserva Natural De Punta Guaniquilla	State Conservation Area (V)	1
1918	Bosque Estatal de Boqueron	State Forest (-)	-
1977	Reserva Natural Punta Guaniquilla	Natural Reserve (-)	-
1998	Bosque Natural de Boquerón	Natural Reserve (V)	3

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

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 23/12/2024.