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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 Mango Anthracothorax aurulentus	LC	resident	2007	unknown	A2
Green-throated Carib Eulampis holosericeus	LC	resident	2007	unknown	A2
Puerto Rican Emerald Riccordia maugaeus	LC	resident	1997	unknown	A2
Antillean Crested Hummingbird Orthorhyncus cristatus	LC	resident	1997	unknown	A2
Wilson's Plover Charadrius wilsonia	LC	breeding	1985-1986	93 individuals	B4i
Puerto Rican Owl Gymnasio nudipes	LC	resident	1997	unknown	A2
Puerto Rican Tody Todus mexicanus	LC	resident	2007	unknown	A2
Puerto Rican Woodpecker Melanerpes portoricensis	LC	resident	1997	unknown	A2
Caribbean Elaenia Elaenia martinica	LC	resident	2007	unknown	A2
Puerto Rican Flycatcher Myiarchus antillarum	LC	resident	1997	unknown	A2
Puerto Rican Vireo Vireo latimeri	LC	resident	2007	unknown	A2
Pearly-eyed Thrasher Margarops fuscatus	LC	resident	1997	unknown	A2
Puerto Rican Euphonia Euphonia sclateri	LC	resident	2007	unknown	A2
Yellow-shouldered Blackbird Agelaius xanthomus	EN	resident	2007	59 individuals	A1, A2
Adelaide's Warbler Setophaga adelaidae	LC	resident	1997	unknown	A2
Puerto Rican Spindalis Spindalis portoricensis	LC	resident	2007	unknown	A2
Puerto Rican Bullfinch Melopyrrha portoricensis	VU	resident	2007	unknown	A2
A4iii Species group - waterbirds	n/a	unknown	2007	20,000 individuals	A4iii

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
1918	Aguirre	Commonwealth Forest	14
1981	Jobos Bay	National Estuarine Research Reserve	14
1981	Jobos Bay Reserve	National Estuarine Research Reserve	17
1983	Bosque Estatal de Aguirre	Marine Protected Area	6

Habitat1	Habitat detail	% of IBA
Marine Neritic		major (>10)
Forest	Mangrove, Second-growth & disturbed, Tropical semi-deciduous	-
Introduced vegetation		-
Marine Coastal/Supratidal		-
Marine Intertidal		-
Shrubland		-

1. IUCN Habitat classification.

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

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Jobos Bay (Puerto Rico (to USA)). Downloaded from https://datazone.birdlife.org/site/factsheet/jobos-bay-iba-puerto-rico-(to-usa) on 23/11/2024.