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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') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Rufous-throated Partridge Arborophila rufogularis	LC	resident	2000	present	A3
Bar-backed Partridge Arborophila brunneopectus	LC	resident	2000	present	A3
Green Peafowl Pavo muticus	EN	resident	2004	present	A1, A3
Grey Peacock-Pheasant Polyplectron bicalcaratum	LC	resident	2000	present	A3
Silver Pheasant Lophura nycthemera	LC	resident	2000	present	A3
White-winged Duck Asarcornis scutulata	CR	resident	2004	present	A1
Asian Emerald Cuckoo Chrysococcyx maculatus	LC	resident	2000	present	A3
Austen's Brown Hornbill Anorrhinus austeni	NT	resident	2000	present	A3
Rufous-necked Hornbill Aceros nipalensis	VU	resident	2004	present	A1, A3
Plain-pouched Hornbill Rhyticeros subruficollis	VU	resident	2004	present	A1
Malay Blue-banded Kingfisher Alcedo peninsulae	NT	resident	2004	present	A1
Blue-throated Barbet Psilopogon asiaticus	LC	resident	2000	present	A3
Golden-throated Barbet Psilopogon franklinii	LC	resident	2000	present	A3
Green-eared Barbet Psilopogon faiostrictus	LC	resident	2000	present	A3
Lineated Barbet Psilopogon lineatus	LC	resident	2000	present	A3
Bay Woodpecker Blythipicus pyrrhotis	LC	resident	2000	present	A3
Bamboo Woodpecker Gecinulus viridis	LC	resident	2000	present	A3
Black-and-buff Woodpecker Meiglyptes jugularis	LC	resident	2000	present	A3
Streak-breasted Woodpecker Picus viridanus	LC	resident	2000	present	A3
Black-headed Woodpecker Picus erythropygius	LC	resident	2000	present	A3
Stripe-breasted Woodpecker Dendrocopos atratus	LC	resident	2000	present	A3
Grey-headed Parakeet Himalayapsitta finschii	NT	resident	2000	present	A3
Eared Pitta Hydrornis phayrei	LC	resident	2000	present	A3
Rusty-naped Pitta Hydrornis oatesi	LC	resident	2000	present	A3
Blue Pitta Hydrornis cyaneus	LC	resident	2000	present	A3
Blue-winged Pitta Pitta moluccensis	LC	breeding	2000	present	A3
Maroon Oriole Oriolus traillii	LC	resident	2000	present	A3
Slender-billed Oriole Oriolus tenuirostris	LC	resident	2000	present	A3
Short-billed Minivet Pericrocotus brevirostris	LC	resident	2000	present	A3
Black-winged Cuckooshrike Lalage melaschistos	LC	resident	2000	present	A3
Indochinese Cuckooshrike Lalage polioptera	LC	resident	2000	present	A3
Ashy Woodswallow Artamus fuscus	LC	resident	2000	present	A3
Common Woodshrike Tephrodornis pondicerianus	LC	resident	2000	present	A3
Crow-billed Drongo Dicrurus annectens	LC	resident	2000	present	A3
Burmese Shrike Lanius collurioides	LC	resident	2000	present	A3
Racquet-tailed Treepie Crypsirina temia	LC	resident	2000	present	A3
Grey Treepie Dendrocitta formosae	LC	resident	2000	present	A3
Sultan Tit Melanochlora sultanea	LC	resident	2000	present	A3
Yellow-cheeked Tit Machlolophus spilonotus	LC	resident	2000	present	A3
Indochinese Bushlark Mirafra erythrocephala	LC	resident	2000	present	A3
White-throated Bulbul Alophoixus flaveolus	LC	resident	2000	present	A3
Olive Bulbul Iole viridescens	LC	resident	2000	present	A3
Grey-eyed Bulbul Iole propinqua	LC	resident	2000	present	A3
Mountain Bulbul Ixos mcclellandii	LC	resident	2000	present	A3
Black Bulbul Hypsipetes leucocephalus	LC	resident	2000	present	A3
Sooty-headed Bulbul Pycnonotus aurigaster	LC	resident	2000	present	A3
Streak-eared Bulbul Pycnonotus blanfordi	LC	resident	2000	present	A3
Stripe-throated Bulbul Pycnonotus finlaysoni	LC	resident	2000	present	A3
Flavescent Bulbul Pycnonotus flavescens	LC	resident	2000	present	A3
Streaked Wren-babbler Gypsophila brevicaudata	LC	resident	2000	present	A3
Gypsophila crispifrons	NR	resident	2000	present	A3
Lesser Necklaced Laughingthrush Garrulax monileger	LC	resident	2000	present	A3
White-necked Laughingthrush Garrulax strepitans	LC	resident	2000	present	A3
Pterorhinus chinensis	NR	resident	2000	present	A3
Greater Necklaced Laughingthrush Pterorhinus pectoralis	LC	resident	2000	present	A3
Dark-backed Sibia Heterophasia melanoleuca	LC	resident	2000	present	A3
Chestnut-tailed Starling Sturnia malabarica	LC	breeding	2000	present	A3
Golden-crested Myna Ampeliceps coronatus	LC	resident	2000	present	A3
Dark-sided Thrush Zoothera marginata	LC	resident	2000	present	A3
Green Cochoa Cochoa viridis	LC	resident	2000	present	A3
Hainan Blue Flycatcher Cyornis hainanus	LC	resident	2000	present	A3
Slaty-backed Forktail Enicurus schistaceus	LC	resident	2000	present	A3
Black-backed Forktail Enicurus immaculatus	LC	resident	2000	present	A3
Streaked Spiderhunter Arachnothera magna	LC	resident	2000	present	A3
Black-throated Sunbird Aethopyga saturata	LC	resident	2000	present	A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2004) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2008) is shown below.

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

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Biological resource use	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Invasive and other problematic species and genes	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 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	The conservation measures needed for the site are being comprehensively and effectively implemented	high

Year	Protected Area	Designation	% overlap with IBA
1972	Huai Kha Khaeng	Wildlife Sanctuary	4
1974	Thungyai Naresuan	Wildlife Sanctuary	100
1991	Thungyai - Huai Kha Khaeng Wildlife Sanctuaries	World Heritage Site (natural or mixed)	100
2009	Khlong Lamngu	National Park	2

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial		-
Forest		-
Grassland		-
Savanna		-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Thung Yai - Naresuan (Thailand). Downloaded from https://datazone.birdlife.org/site/factsheet/thung-yai--naresuan-iba-thailand on 22/11/2024.