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Issue: Vol. 5768 No. 3: 11 Mar. 2026
Type: Article
Published: 2026-03-11
DOI: 10.11646/zootaxa.5768.3.1
Page range: 301-334
Abstract views: 34
PDF downloaded: 1

Bats of the Vietnamese Mekong Delta: A revised checklist with significant new records

Institute of Biology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Hanoi; Vietnam; Graduate University of Science and Technology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Hanoi; Vietnam
Harrison Institute; Bowerwood House; 15 St Botolph’s Road; Sevenoaks; Kent; TN13 3AQ; United Kingdom; Fauna & Flora; Cambodia Programme; PO Box 1380; No. 19; Street 360; Boeng Keng Kong 1; Phnom Penh 12000; Cambodia
School of Ecology; Sun Yat–sen University; No. 66 Gongchang Road; Guangming District; Shenzhen; 518000; China; Research and Development Center for Precision Medicine; University of Tsukuba; 1–2 Kasuga; Tsukuba–shi; Ibaraki 305–8550; Japan
Department of Immunization Research; National Institute of Infectious Diseases; Japan Institute for Health Security; Toyama 1–23–1; Shinjuku; Tokyo; 162–8640; Japan; Tokyo University of Agriculture and Technology; 3–5–8 Saiwai; Fuchu; Tokyo; 183–8509; Japan
Department of Zoology; Hungarian Natural History Museum; Baross 13;; Budapest; H–1088; Hungary; National Laboratory of Virology; Szentágothai Research Centre; University of Pécs; 20 Ifjúság Road; Pécs; H–7624; Hungary
Institute of Biology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Hanoi; Vietnam; Institute of Life Science; Vietnam Academy of Science and Technology; 9/621 Vo Nguyen Giap; Linh Xuan; Ho Chi Minh city; Vietnam
Department of Oral and Maxillofacial Anatomy; Graduate School of Medical and Dental Sciences; Institute of Science Tokyo; 1–5–45 Yushima; Bunkyo-ku; Tokyo; Japan 113–8510
The University of Tokyo Fuji Iyashinomori Woodland Study Center; Graduate School of Agricultural and Life Sciences; The University of Tokyo; 341–2 Yamanaka; Yamanakako-mura; Minamitsuru-gun; Yamanashi; 401–0501; Japan
Department of Zoology; Hungarian Natural History Museum; Baross 13.; Budapest; H–1088; Hungary
Faculty of Environmental Sciences; Czech University of Life Sciences; Kamýcká 1176 165 21 Prague 6 – Suchdol; Czech Republic
Institute of Biology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Hanoi; Vietnam; Graduate University of Science and Technology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Hanoi; Vietnam
Institute of Biology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Hanoi; Vietnam; Graduate University of Science and Technology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Hanoi; Vietnam
Institute of Biology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Hanoi; Vietnam
Institute of Biology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Hanoi; Vietnam
Graduate University of Science and Technology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Hanoi; Vietnam; Research Center for Infectious Diseases; International University; Vietnam National University Ho Chi Minh City; Quarter 33; Linh Xuan Ward; Ho Chi Minh City; Vietnam
Forest Management Board of An Giang Province – Zone II; Tan Hiep Hamlet; Chi Lang Ward; An Giang; Vietnam
Institut de Systématique; Évolution; Biodiversité (ISYEB); SU; MNHN; CNRS; EPHE; UA; Sorbonne Université; CP 50; 45 rue Buffon; 75005 Paris; France
Mammalia Bats Mekong Delta new country records cryptic diversity conservation threats

Abstract

We present updated baseline information on bats inhabiting the Vietnamese Mekong Delta based on literature review and field expeditions between 2018 and 2024. In total, 32 bat species from six families were documented across 23 study sites within the delta. Our integrated analyses of morphological and acoustic data along with mitochondrial sequences reveal two new country records (Rhinolophus thailandensis and Hipposideros kingstonae) and novel populations of relict forms in several species’ complexes (R. macrotis, R. marshalli, and H. galeritus). These findings indicate that bat populations in the Vietnamese Mekong Delta include previously undocumented diversity and unique evolutionary patterns. However, bats and other wildlife within the delta face escalating threats from the synergistic effects of anthropogenic activities (e.g., unsustainable land-use and farming practices, illegal hunting, wind energy development) and climate change. Compounding these threats, public awareness of the importance of bat conservation remains limited and misperceptions of bats as sources of zoonotic diseases remains widespread. We advocate for urgent implementation of multidisciplinary initiatives to conserve the unique biodiversity of the Vietnamese Mekong Delta and achieve sustainable development goals.

 

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How to Cite

Tu, V.T., Furey, N.M., Koyabu, D., Arai, S., Görföl, T., Ngon, L.Q., Nojiri, T., Fukui, D., Csorba, G., Balvín, O., Tuan, L.Q., Tuan, T.A., Hang, C.T., Hanh, L.M., Thi, van A.L., Thien, H.H. & Hassanin, A. (2026) Bats of the Vietnamese Mekong Delta: A revised checklist with significant new records. Zootaxa, 5768 (3), 301–334. https://doi.org/10.11646/zootaxa.5768.3.1