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Year of most recent IBA criteria assessment: 2002

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Rufous-throated Partridge Arborophila rufogularis	LC	resident	2000	present	A3
Bar-backed Partridge Arborophila brunneopectus	LC	resident	2000	present	A3
Arborophila chloropus	NR	resident	2000	present	A3
Germain's Peacock-pheasant Polyplectron germaini	NT	resident	1995	present	A1, A2, A3
Silver Pheasant Lophura nycthemera	LC	resident	2000	present	A3
Blyth's Kingfisher Alcedo hercules	NT	resident	1994-1995	present	A3
Necklaced Barbet Psilopogon auricularis	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
Rusty-naped Pitta Hydrornis oatesi	LC	resident	2000	present	A3
Blue Pitta Hydrornis cyaneus	LC	resident	2000	present	A3
Maroon Oriole Oriolus traillii	LC	resident	2000	present	A3
Burmese Shrike Lanius collurioides	LC	breeding	2000	present	A3
Indochinese Green Magpie Cissa hypoleuca	LC	resident	2000	present	A3
Yellow-cheeked Tit Machlolophus spilonotus	LC	resident	2000	present	A3
Mountain Bulbul Ixos mcclellandii	LC	resident	2000	present	A3
Black Bulbul Hypsipetes leucocephalus	LC	resident	2000	present	A3
Flavescent Bulbul Pycnonotus flavescens	LC	resident	2000	present	A3
White-spectacled Warbler Phylloscopus intermedius	LC	resident	2000	present	A3
Phylloscopus davisoni	NR	resident	2000	present	A3
Slaty-bellied Tesia Tesia olivea	LC	resident	2000	present	A3
Aegithalos concinnus	NR	resident	2000	present	A3
Black-headed Parrotbill Paradoxornis margaritae	VU	resident	2000	present	A3
Black-chinned Yuhina Yuhina nigrimenta	LC	resident	2000	present	A3
Red-billed Scimitar-babbler Pomatorhinus ochraceiceps	LC	resident	2000	present	A3
Grey-faced Tit-babbler Mixornis kelleyi	LC	resident	1995	present	A3
Rufous-capped Babbler Cyanoderma ruficeps	LC	resident	2000	present	A3
Indochinese Wren-babbler Napothera danjoui	NT	resident	1994-1995	present	A2, A3
Streaked Wren-babbler Gypsophila brevicaudata	LC	resident	2000	present	A3
Mountain Fulvetta Alcippe peracensis	LC	resident	2000	present	A3
Cutia nipalensis	NR	resident	2000	present	A3
Black-hooded Laughingthrush Garrulax milleti	LC	resident	1994-1995	present	A2, A3
Black-throated Laughingthrush Pterorhinus chinensis	LC	resident	2000	present	A3
Garrulax merulinus	NR	resident	2000	present	A3
White-cheeked Laughingthrush Pterorhinus vassali	LC	resident	1994-1995	30,410 individuals	A2, A3
Collared Laughingthrush Trochalopteron yersini	EN	resident	1994-1995	uncommon	A1, A2, A3
Heterophasia melanoleuca	NR	resident	2000	present	A3
Rufous-backed Sibia Leioptila annectens	LC	resident	2000	present	A3
Blue-winged Minla Siva cyanouroptera	LC	resident	2000	present	A3
Grey-crowned Crocias Laniellus langbianis	EN	resident	1994-1995	uncommon	A1, A2, A3
Yellow-billed Nuthatch Sitta solangiae	NT	resident	1994-1995	2 breeding pairs	A2, A3
Acridotheres burmannicus	NR	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
Myiomela leucurum	NR	resident	2000	present	A3
Slaty-backed Forktail Enicurus schistaceus	LC	resident	2000	present	A3
Greyish-crowned Leafbird Chloropsis lazulina	LC	resident	2000	present	A3
Streaked Spiderhunter Arachnothera magna	LC	resident	2000	present	A3
Aethopyga christinae	NR	resident	2000	present	A3

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Chu Yang Sin	Vườn quốc gia	66,980	protected area overlaps with site	20,000
Bidoup-Nui Ba	Vườn quốc gia	57,512	protected area is adjacent to site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Hill evergreen forest (subtropical), Montane broadleaf evergreen forest (mont temp), Pine forest (subtropical)	-
Shrubland	Secondary scrub	-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
nature conservation and research	-

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Chu Yang Sin. Downloaded from http://www.birdlife.org on 23/03/2023.