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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
Hispaniolan Mango Anthracothorax dominicus	LC	resident	2007	unknown	A2
Vervain Hummingbird Mellisuga minima	LC	resident	2007	unknown	A2
Hispaniolan Emerald Riccordia swainsonii	LC	resident	2007	unknown	A2
Hispaniolan Lizard-cuckoo Coccyzus longirostris	LC	resident	2007	unknown	A2
Ashy-faced Owl Tyto glaucops	LC	resident	2007	unknown	A2
Hispaniolan Trogon Temnotrogon roseigaster	LC	resident	2007	unknown	A1, A2
Narrow-billed Tody Todus angustirostris	LC	resident	2007	unknown	A2
Broad-billed Tody Todus subulatus	LC	resident	2007	unknown	A2
Antillean Piculet Nesoctites micromegas	LC	resident	2007	unknown	A2
Hispaniolan Woodpecker Melanerpes striatus	LC	resident	2007	unknown	A2
Hispaniolan Amazon Amazona ventralis	VU	resident	2007	unknown	A1, A2
Hispaniolan Parakeet Psittacara chloropterus	VU	resident	2007	unknown	A1, A2
Hispaniolan Elaenia Elaenia cherriei	LC	resident	2007	unknown	A2
Hispaniolan Pewee Contopus hispaniolensis	LC	resident	2007	unknown	A2
Stolid Flycatcher Myiarchus stolidus	LC	resident	2007	unknown	A2
Palm Crow Corvus palmarum	LC	resident	2007	unknown	A1, A2
Golden Swallow Tachycineta euchrysea	VU	resident	2006	30 individuals	A1, A2
Rufous-throated Solitaire Myadestes genibarbis	LC	resident	2007	unknown	A2
Bicknell's Thrush Catharus bicknelli	VU	winter	2005	30 individuals	A1
La Selle Thrush Turdus swalesi	VU	resident	2006	unknown	A1, A2
Palmchat Dulus dominicus	LC	resident	2007	unknown	A2
Hispaniolan Euphonia Euphonia musica	LC	resident	2007	unknown	A2
Hispaniolan Crossbill Loxia megaplaga	EN	resident	2006	50-249 individuals	A1, A2
Antillean Siskin Spinus dominicensis	LC	resident	2006	unknown	A2
Black-crowned Palm-tanager Phaenicophilus palmarum	LC	resident	2007	unknown	A2
White-winged Warbler Xenoligea montana	VU	resident	2007	unknown	A1, A2
Green-tailed Warbler Microligea palustris	LC	resident	2007	unknown	A2
Eastern Chat-tanager Calyptophilus frugivorus	NT	resident	2006	30 individuals	A1, A2

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2019) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	moderate (70-90%)	moderate (70-90%)	unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high
Biological resource use	happening now	some of area/population (10-49%)	very rapid to severe deterioration	high
Natural system modifications	happening now	some of area/population (10-49%)	very rapid to severe deterioration	high
Invasive and other problematic species and genes	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Human intrusions and disturbance	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Pollution	happening now	some of area/population (10-49%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Some limited conservation initiatives are in place	medium

Year	Protected Area	Designation	% overlap with IBA
1983	Valle Nuevo	Natural Scientific Reserve	45
1996	Juan B. Pérez Rancier	National Park	99
2004	Valle Nuevo	Parque Nacional	100
2004	Valle Nuevo (Juan B. Pérez Rancier	National Park	100

Habitat1	Habitat detail	% of IBA
Forest		70
Artificial/Terrestrial		30

1. IUCN Habitat classification.

Land use	% of IBA
nature conservation and research	70
agriculture	30
forestry	-
rangeland/pastureland	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Parque Nacional Dr Juan Bautista Pérez Rancier (Valle Nuevo) (Dominican Republic). Downloaded from https://datazone.birdlife.org/site/factsheet/parque-nacional-dr-juan-bautista-pérez-rancier-(valle-nuevo)-iba-dominican-republic on 22/11/2024.