This paper provides both morphological and acoustic diagnoses of each species to strengthen forthcoming research, monitoring and conservation actions at the park in the future. | SINH HOC 2016,of38(3): 298-303 MorphologicalTAP and CHI acoustic identification hipposiderids DOI: MORPHOLOGICAL AND ACOUSTIC IDENTIFICATION OF HIPPOSIDERIDS (Chiroptera: Hipposideridae) FROM XUAN SON NATIONAL PARK, NORTHEASTERN VIETNAM Vu Dinh Thong Institute of Ecology and Biological Resources, VAST ABSTRACT: Xuan Son National Park is a well known locality in Vietnam for its karst landscape and biodiversity values. The park contains a large number of caves, which are homes to 20 bat species belonging to 13 genera, four families. Of which, four species, viz. Aselliscus stoliczkanus, Hipposideros armiger, H. larvatus and H. pomona, belong to the family Hipposideridae. Prior to 2010, almost all bat researches at the park focused on taxonomy. Between 2011 and 2015, the author conducted a series of field surveys with emphases on both taxonomy and echolocation of hipposiderids. External measurements of every captured bat were taken for taxonomic assessments. Echolocation calls were recorded from natural habitats while bats flying and different situations inside a flight-tent. Results from the surveys indicated that, within Xuan Son National Park, each hipposiderid species is clearly distinguishable from the remainders of the family Hipposideridae in both morphology and echolocation frequency. This paper provides acoustic and morphological diagnoses of hipposiderids for practical monitoring, further studies and conservation of hipposiderids at the park in the future. Keywords: Bat, conservation, mammalia, monitoring, morphology, taxonomy. Citation: Vu Dinh Thong, 2016. Morphological and acoustic identification of hipposiderids (Chiroptera: Hipposideridae) from Xuan Son national park, Northeastern Vietnam. Tap chi Sinh hoc, 38(3): 298-303. DOI: . *Corresponding author: vudinhthong@. INTRODUCTION Hipposiderid is a common name of bat species belonging to the family Hipposideridae. To date, the family
