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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
West Indian Whistling-duck Dendrocygna arborea	NT	resident (1982–1992)	35–70 birds	A1
Puerto Rican Mango Anthracothorax aurulentus	LC	resident (2007)	unknown	A2
Green-throated Carib Eulampis holosericeus	LC	resident (2007)	unknown	A2
Antillean Crested Hummingbird Orthorhyncus cristatus	LC	resident (2005)	unknown	A2
Puerto Rican Lizard-cuckoo Coccyzus vieilloti	LC	resident (2007)	unknown	A2
Puerto Rican Owl Gymnasio nudipes	LC	resident (2005)	unknown	A2
Puerto Rican Tody Todus mexicanus	LC	resident (2007)	unknown	A2
Puerto Rican Woodpecker Melanerpes portoricensis	LC	resident (2007)	unknown	A2
Puerto Rican Flycatcher Myiarchus antillarum	LC	resident (2005)	unknown	A2
Pearly-eyed Thrasher Margarops fuscatus	LC	resident (2005)	unknown	A2
Puerto Rican Euphonia Euphonia sclateri	LC	resident (2007)	unknown	A2
Adelaide's Warbler Setophaga adelaidae	LC	resident (2007)	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
-	Reserva Natural Bosque De Pterocarpus De Humacao	Private Conservation (V)	21
1984	El Pantano, Bosque de Pterocarpus y Lagunas Mandry y Santa Teresa	Natural Reserve (Ia)	65
1984	Refugio de Vida Silvestre de Humacao	Wildlife Refuge (IV)	-
1986	Reserva Natural Bosque de Pterocarpus de Humacao	Natural Reserve (-)	-

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

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

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