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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
Green Mango Anthracothorax viridis	LC	resident (2004)	unknown	A2
Puerto Rican Mango Anthracothorax aurulentus	LC	resident (2004)	unknown	A2
Green-throated Carib Eulampis holosericeus	LC	resident (2004)	unknown	A2
Puerto Rican Emerald Riccordia maugaeus	LC	resident (2004)	unknown	A2
Puerto Rican Lizard-cuckoo Coccyzus vieilloti	LC	resident (2004)	unknown	A2
Puerto Rican Owl Gymnasio nudipes	LC	resident (2004)	unknown	A2
Puerto Rican Tody Todus mexicanus	LC	resident (2004)	unknown	A2
Puerto Rican Woodpecker Melanerpes portoricensis	LC	resident (2004)	unknown	A2
Puerto Rican Amazon Amazona vittata	CR	resident (2006)	22 birds	A1, A2
Lesser Antillean Pewee Contopus latirostris	LC	resident (2004)	unknown	A2
Puerto Rican Flycatcher Myiarchus antillarum	LC	resident (2004)	unknown	A2
Puerto Rican Vireo Vireo latimeri	LC	resident (2004)	unknown	A2
Pearly-eyed Thrasher Margarops fuscatus	LC	resident (2004)	unknown	A2
Puerto Rican Euphonia Euphonia sclateri	LC	resident (2004)	unknown	A2
Adelaide's Warbler Setophaga adelaidae	LC	resident (2004)	unknown	A2
Puerto Rican Spindalis Spindalis portoricensis	LC	resident (2004)	unknown	A2
Puerto Rican Tanager Nesospingus speculiferus	VU	resident (2004)	unknown	A2
Puerto Rican Bullfinch Melopyrrha portoricensis	VU	resident (2004)	unknown	A2

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Bosque Estatal De Río Abajo	State Resource Management Area (VI)	6
-	Bosque Estatal De Guajataca	State Resource Management Area (VI)	2
-	Bosque Estatal De Cambalache	State Resource Management Area (VI)	1
-	Bosque Estatal De Vega	State Resource Management Area (VI)	1
-	Area Natural Protegida Rio Encantado	Private Conservation (V)	1
-	Finca Guillermeti	Private Conservation (V)	<1
-	Reserva Natural Mata De Platano Field Station	Field (V)	<1
1943	Bosque Estatal de Rio Abajo	State Forest (-)	-
1951	Bosque Estatal de Cambalache	State Forest (-)	-

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

Name	Year formed
Ciudadanos del Karso	0

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

Habitat	% of IBA	Habitat detail
Caves and Subterranean Habitats (non-aquatic)	-
Forest	-
Introduced vegetation	-
Shrubland	-

Land use	% of IBA
tourism/recreation	-
forestry	-
nature conservation and research	-
agriculture	-

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