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The site was identified as important in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Chestnut-breasted Partridge Arborophila mandellii	NT	resident	2002	present	A1, A2
White-rumped Vulture Gyps bengalensis	CR	non-breeding	2002	present	A1
Slender-billed Vulture Gyps tenuirostris	CR	non-breeding	2002	present	A1
Ward's Trogon Harpactes wardi	NT	resident	2002	present	A2
Rufous-necked Hornbill Aceros nipalensis	VU	resident	2002	present	A1, A3
Grey-crowned Prinia Prinia cinereocapilla	VU	resident	2002	present	A1, A3
Yellow-vented Warbler Phylloscopus cantator	LC	resident	2002	present	A2, A3
Black-breasted Parrotbill Paradoxornis flavirostris	VU	resident	2004	present	A1, A2
White-naped Yuhina Yuhina bakeri	LC	resident	2002	present	A2, A3
Blackish-breasted Babbler Stachyris humei	NT	resident	2002	present	A2
Rufous-throated Wren-babbler Spelaeornis caudatus	NT	resident	2002	present	A2
Slender-billed Babbler Argya longirostris	VU	resident	2002	present	A1
Beautiful Nuthatch Sitta formosa	VU	resident	2002	present	A1, A3
Rusty-bellied Shortwing Brachypteryx hyperythra	NT	resident	2002	present	A1, A2

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2004).

Pressure (threats to the trigger species and/or their habitats)
Threat level 1	Threat level 2	Timing	Scope	Severity	Result
Agricultural expansion and intensification	livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming	past (and unlikely to return) and no longer limiting	majority/most of area/population (50-90%)	slow but significant deterioration	low
Biological resource use	fishing & harvesting aquatic resources - unintentional effects: large scale	happening now	small area/few individuals (<10%)	moderate to rapid deterioration	low
Biological resource use	logging & wood harvesting - unintentional effects: large scale	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high
Human intrusions and disturbance	work and other activities	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Invasive and other problematic species and genes	invasive non-native/alien species/diseases - named species	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Natural system modifications	dams & water management/use - dams (size unknown)	happening now	some of area/population (10-49%)	moderate to rapid deterioration	high
Natural system modifications	fire & fire suppression - increase in fire frequency/intensity	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Pollution	agricultural & forestry effluents - herbicides and pesticides	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Residential and commercial development	commercial and industrial development	happening now	some of area/population (10-49%)	very rapid to severe deterioration	high
Residential and commercial development	housing and urban areas	happening now	small area/few individuals (<10%)	very rapid to severe deterioration	low
Transportation and service corridors	roads and railroads	happening now	small area/few individuals (<10%)	slow but significant deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation	Management planning	Other conservation action	Result
Not assessed	Not assessed	Not assessed	not assessed

For more information about IBA conservation status, please click here

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Forest		-
Shrubland		-
Grassland		-
Wetlands (inland)		-

For more information about the IUCN Habitat classification, please click here.

Land-use	Extent (% of site)
agriculture	-
forestry	-
nature conservation and research	-
urban/industrial/transport	-
water management	-

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Lowland forests of South Sikkim (Melli-Baguwa-Kitam, Jorethang-Namchi, Sombarey). Downloaded from http://datazone.birdlife.org/site/factsheet/lowland-forests-of-south-sikkim-(melli-baguwa-kitam-jorethang-namchi-sombarey)-iba-india on 04/10/2023.