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The site was identified as important in 2002 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
Bar-backed Partridge Arborophila brunneopectus	LC	resident	2001	present	A3
Silver Pheasant Lophura nycthemera	LC	resident	2000	present	A3
Blue-throated Barbet Psilopogon asiaticus	LC	resident	2000	present	A3
Golden-throated Barbet Psilopogon franklinii	LC	resident	2000	present	A3
Red-vented Barbet Psilopogon lagrandieri	LC	resident	2000	present	A3
Green-eared Barbet Psilopogon faiostrictus	LC	resident	2000	present	A3
Bay Woodpecker Blythipicus pyrrhotis	LC	resident	2000	present	A3
Pale-headed Woodpecker Gecinulus grantia	LC	resident	2000	present	A3
Bamboo Woodpecker Gecinulus viridis	LC	resident	2000	present	A3
Blue-rumped Pitta Hydrornis soror	LC	resident	2000	present	A3
Blue Pitta Hydrornis cyaneus	LC	resident	2000	present	A3
Maroon Oriole Oriolus traillii	LC	resident	2000	present	A3
Black-winged Cuckooshrike Lalage melaschistos	LC	breeding	2000	present	A3
Crow-billed Drongo Dicrurus annectens	LC	resident	2000	present	A3
Ratchet-tailed Treepie Temnurus temnurus	LC	resident	2000	present	A3
Collared Treepie Dendrocitta frontalis	LC	resident	2000	present	A3
Urocissa whiteheadi	NR	resident	2000	present	A3
Sultan Tit Melanochlora sultanea	LC	resident	2000	present	A3
Yellow-cheeked Tit Machlolophus spilonotus	LC	resident	2000	present	A3
Chestnut Bulbul Hemixos castanonotus	LC	resident	2000	present	A3
Mountain Bulbul Ixos mcclellandii	LC	resident	2000	present	A3
Black Bulbul Hypsipetes leucocephalus	LC	resident	2000	present	A3
Pycnonotus flavescens	NR	resident	2000	present	A3
Sulphur-breasted Warbler Phylloscopus ricketti	LC	breeding	2000	present	A3
White-tailed Leaf-warbler Phylloscopus intensior	LC	resident	2000	present	A3
Slaty-bellied Tesia Tesia olivea	LC	resident	2000	present	A3
Paradoxornis ruficeps	NR	resident	2000	present	A3
Grey-headed Parrotbill Paradoxornis gularis	LC	resident	2000	present	A3
Pale-billed Parrotbill Suthora atrosuperciliaris	LC	resident	2000	present	A3
Black-chinned Yuhina Yuhina nigrimenta	LC	resident	2000	present	A3
Indochinese Yuhina Staphida torqueola	LC	resident	2000	present	A3
Red-billed Scimitar-babbler Pomatorhinus ochraceiceps	LC	resident	2000	present	A3
Gampsorhynchus rufulus	NR	resident	2000	present	A3
Spot-throated Babbler Pellorneum albiventre	LC	resident	2000	present	A3
Streaked Wren-babbler Gypsophila brevicaudata	LC	resident	2000	present	A3
Gypsophila crispifrons	NR	resident	2000	present	A3
Grey-cheeked Fulvetta Alcippe morrisonia	LC	resident	2000	present	A3
Lesser Necklaced Laughingthrush Garrulax monileger	LC	resident	2000	present	A3
Chinese Hwamei Garrulax canorus	LC	resident	2000	present	A3
Grey Laughingthrush Garrulax maesi	LC	resident	2000	present	A3
Red-tailed Laughingthrush Trochalopteron milnei	LC	resident	2000	present	A3
Rufous-backed Sibia Leioptila annectens	LC	resident	2000	present	A3
Green Cochoa Cochoa viridis	LC	resident	2000	present	A3
Black-breasted Thrush Turdus dissimilis	LC	resident	2000	present	A3
Small Niltava Niltava macgrigoriae	LC	resident	2000	present	A3
White-gorgeted Flycatcher Anthipes monileger	LC	resident	2000	present	A3
Hainan Blue Flycatcher Cyornis hainanus	LC	resident	2000	present	A3
Greyish-crowned Leafbird Chloropsis lazulina	LC	resident	2000	present	A3
Streaked Spiderhunter Arachnothera magna	LC	resident	2000	present	A3
Black-throated Sunbird Aethopyga saturata	LC	resident	2000	present	A3
Aethopyga christinae	NR	resident	2000	present	A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2002) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2002. The most recent assessment (2008) is shown below.

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

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happening now	some of area/population (10-49%)	moderate to rapid deterioration	high
Biological resource use	happening now	some of area/population (10-49%)	moderate to rapid deterioration	high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Little/none of site covered (<10%)	No management plan exists but the management planning process has begun	Very little or no conservation action taking place	negligible

Year	Protected Area	Designation	% overlap with IBA
1994	Na Hang	Khu Bảo tồn thiên nhiên	15

Habitat1	Habitat detail	% of IBA
Forest	Semi-evergreen rain forest (tropical)	100

1. IUCN Habitat classification.

Land use	% of IBA
not utilised	100

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Sinh Long (Vietnam). Downloaded from https://datazone.birdlife.org/site/factsheet/sinh-long-iba-vietnam on 22/11/2024.