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The site was identified as internationally important for bird conservation in 2004 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
Nilgiri Woodpigeon Columba elphinstonii	VU	resident (2004)	present	A1, A2, A3
Malabar Grey Hornbill Ocyceros griseus	VU	resident (2004)	present	A2, A3
Malabar Parakeet Nicopsitta columboides	LC	resident (2004)	present	A2, A3
White-bellied Treepie Dendrocitta leucogastra	LC	resident (2004)	present	A2, A3
Broad-tailed Grassbird Schoenicola platyurus	NT	resident (2004)	present	A1, A2, A3
Grey-headed Bulbul Brachypodius priocephalus	NT	resident (2004)	present	A2, A3
Rufous Babbler Argya subrufa	LC	resident (2004)	present	A2, A3
Nilgiri Chilappan Montecincla cachinnans	NT	resident (2004)	present	A1, A2, A3
Nilgiri Chilappan Montecincla cachinnans	NT	resident (2004)	present	A2, A3
Wayanad Laughingthrush Pterorhinus delesserti	LC	resident (2004)	present	A2, A3
Nilgiri Flycatcher Eumyias albicaudatus	LC	resident (2004)	present	A2, A3
White-bellied Blue Flycatcher Cyornis pallidipes	LC	resident (2004)	present	A2, A3
Nilgiri Sholakili Sholicola major	NT	resident (2004)	present	A1, A2, A3
Black-and-orange Flycatcher Ficedula nigrorufa	LC	resident (2004)	present	A2, A3
Crimson-backed Sunbird Leptocoma minima	LC	resident (2004)	present	A2, A3
Nilgiri Pipit Anthus nilghiriensis	VU	resident (2004)	present	A2, A3

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2013) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	good (>90%)	good (>90%)	good

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happe­ning now	some of popul­ation/area (10–49%)	no or slight decline (<1% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>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	The conservation measures needed for the site are being compre­hensively and effectively implemented	high

Year	Protected Area	Designation (management category)	% coverage of IBA
1984	Silent Valley	National Park (II)	100
2012	Western Ghats	World Heritage Site (natural or mixed) (UA)	100

Habitat	% of IBA	Habitat detail
Forest	-
Grassland	-

Land use	% of IBA
forestry	-
nature conservation and research	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Silent Valley National Park (India). Downloaded from https://datazone.birdlife.org/site/factsheet/silent-valley-national-park-iba-india on 23/12/2024.