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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
Magnificent Frigatebird Fregata magnificens	LC	resident (2000)	200–300 pairs	B4ii
Red-footed Booby Sula sula	LC	resident (2000)	1,200–2,400 pairs	B4ii
Brown Booby Sula leucogaster	LC	resident (2000)	600 pairs	B4ii
Masked Booby Sula dactylatra	LC	resident (2000)	105 pairs	B4ii
Yellow-shouldered Blackbird Agelaius xanthomus	EN	resident (2007)	260 birds	A1

Year	Protected Area	Designation (category)	% coverage of IBA
-	Reserva Natural Isla de Mona y Monito	Natural Reserve (-)	-
1986	Isla de Mona	Natural Reserve (V)	100

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	major (>10)
Marine Neritic	major (>10)
Shrubland	major (>10)	Arid lowland scrub
Forest	minor (<10)	Tropical semi-deciduous
Introduced vegetation	minor (<10)
Marine Intertidal	minor (<10)

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

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mona and Monito (Puerto Rico (to USA)). Downloaded from https://datazone.birdlife.org/site/factsheet/mona-and-monito-iba-puerto-rico-(to-usa) on 03/12/2024.