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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)	unknown	A1, A2
Green Mango Anthracothorax viridis	LC	resident (2007)	unknown	A2
Puerto Rican Mango Anthracothorax aurulentus	LC	resident (2004)	unknown	A2
Puerto Rican Emerald Riccordia maugaeus	LC	resident (2004)	unknown	A2
Puerto Rican Lizard-cuckoo Coccyzus vieilloti	LC	resident (2007)	unknown	A2
Brown Pelican Pelecanus occidentalis	LC	breeding (2000)	40 pairs	B4i
Wilson's Plover Charadrius wilsonia	LC	passage (1991)	294 birds	B4i
Snowy Plover Charadrius nivosus	NT	breeding (2004)	266 birds	A4i
Stilt Sandpiper Calidris himantopus	NT	passage (1991)	19,895 birds	A4i
Roseate Tern Sterna dougallii	LC	breeding (2000)	300–650 birds	A4i
Sandwich Tern Thalasseus sandvicensis	LC	breeding (1998)	465 pairs	A4i
Puerto Rican Owl Gymnasio nudipes	LC	resident (2007)	unknown	A2
Puerto Rican Tody Todus mexicanus	LC	resident (2004)	unknown	A2
Puerto Rican Woodpecker Melanerpes portoricensis	LC	resident (2007)	unknown	A2
Caribbean Elaenia Elaenia martinica	LC	resident (2007)	unknown	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
Yellow-shouldered Blackbird Agelaius xanthomus	EN	resident (2007)	994 birds	A1, A2
Adelaide's Warbler Setophaga adelaidae	LC	resident (2004)	unknown	A2
Puerto Rican Spindalis Spindalis portoricensis	LC	resident (2004)	unknown	A2
Puerto Rican Bullfinch Melopyrrha portoricensis	VU	resident (2004)	unknown	A2
A4iii Species group - waterbirds	n/a	winter (1991)	unknown	A4iii

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Bosque Estatal De Boquerón	State Resource Management Area (VI)	4
-	Reserva Natural De La Parguera	Private Conservation (V)	3
1918	Bosque Estatal de Boqueron	State Forest (-)	-
1974	Refugio Nacional de Vida Silvestre Salinas de Cabo Rojo	National Wildlife Refuge (-)	-
1979	La Parguera	Natural Reserve (V)	26
1979	Reserva Natural La Parguera	Natural Reserve (-)	-
1981	Guanica	UNESCO-MAB Biosphere Reserve (UA)	29
1985	Bosque Estatal de Guánica	Natural Reserve (V)	6
1998	Bosque Natural de Boquerón	Natural Reserve (V)	16

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

Name	Year formed
Caborrojeños Pro Salud y Ambiente	0

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

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

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

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