|Most recent IBA monitoring assessment|
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The Ban Thi-Xuan Lac area is situated within the Na Hang/Ba Be Forest Complex. The site is characterised by limestone karst topography and supports 2,200 ha of limestone forest in a good condition. The globally threatened primate Francois' Leaf Monkey Trachypithecus francoisi francoisi has been recorded at Ban Thi-Xuan Lac, and the site is of potential importance for the conservation of this primate.
White-eared Night Heron has been recorded at Ban-Thi Xuan Lac and this is significant for two main reasons. Firstly, this is the first record of this species in Vietnam for 25 years. Prior to its rediscovery at the site, it was thought to be possibly extinct in Vietnam. However, there is still very little information available about the species in Vietnam, and further surveys are required of areas of suitable habitat in the Na Hang/Ba Be Forest Complex, in order to more fully understand the species' status in the area. Secondly, the rediscovery of White-eared Night Heron in the Ban Thi-Xuan Lac area reveals that the Na Hang/Ba Be Forest Complex should be included within the South-east China Mountains endemic Bird Area (EBA). To date, however, there is no evidence to indicate that any of the other four restricted-range species that occur in this EBA (White-necklaced Partridge Arborophila gingica, Cabot's Tragopan Tragopan caboti, Elliot;s Pheasant Syrmaticus ellioti and Brown-chested Jungle flycatcher Rhinomyias brunneata) also occur in Vietnam.
Non-bird biodiversity: Rhesus Macaque Macaca mulatta, Stump-tailed Macaque Macaca arctoides and Francois' Leaf Monkey Trachypithecus francoisi francoisi have been recorded at Ban Thi-Xuan Lac on the basis of interviews and captive specimens (Le Trong Trai et al., 2001). Le Trong Trai et al. (2001) recorded the occurrence of Southern Serow Naemorhedus sumatraensis at Ban Thi-Xuan Lac on the basis of interviews with local people and remains observed at a village.A form of Amenotaxus was found growing in the Ban Thi-Xuan Lac area, provisionally identified as A. argotaenia.
BirdLife International (2021) Important Bird Areas factsheet: Ban Thi - Xuan Lac. Downloaded from http://www.birdlife.org on 29/11/2021.