Hipposideros rotalis, Francis, Kock & Habersetzer, 1999

Don E. Wilson & Russell A. Mittermeier, 2019, Hipposideridae, Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions, pp. 227-258 : 258

88.

Laotian Leaf-nosed Bat

Hipposideros rotalis

French: Phyllorhine du Laos / German: Laos-Rundblattnase I Spanish: Hiposidérido de Laos

Other common names: Laotian Roundleaf Bat

Taxonomy. Hipposideros rotalis Francis, Kock & Habersetzer, 1999 ,

“Ban Keng Bit, 18°15’ N, 104°34’ E, Nam (River) Kading, Bolikhamxai Prov[ince]., Laos.”

Hipposideros rotalis was formerly included in the bicolor species group but is now placed in the new ater species group. Monotypic.

Distribution. Endemic to C Laos.

Descriptive notes. Tail 31-2-39 mm, ear 24-3-26-7 mm, forearm 45-49 mm; weight 11 g. Ears of the Laotian Leaf-nosed Bat are broad and concave below tip. Anterior noseleaf is broad and its anterior margin is rounded. It has just one supplementary lateral leaflet. Intemarial disk is large. In posterior noseleaf, three vertical septa form four noticeable cells on frontal surface. Fur is brownish on dorsum, paler on ventral part; base of each hair is white, intermediate portion is brown, and tip lighter.

Habitat. Primary evergreen forests and dry evergreen-dipterocarp mixed forests.

Food and Feeding. The Laotian Leaf-nosed Bat probably forages in forest habitats. Its diet is based on insects.

Breeding. No information.

Activity patterns. The Laotian Leaf-nosed Bat has been reported roosting in limestone caves. Call frequency of the F segment is c.69-71 kHz.

Movements, Home range and Social organization. The Laotian Leaf-nosed Bat has usually been observed roosting in small groups.

Status and Conservation. Classified as Least Concern on The IUCNRed List. The Laotian Leaf-nosed Bat is only known from some registers. Population is thought to be relatively large, occupying a range of over 20,000 km 2 and is thought that it may tolerate a degree of disturbance. Very tittle is known about the ecology and status of this species, but to date no major threats have been detected.

Bibliography. Francis (2008b), Guillén-Servent & Francis (2006), Murray eta/. (2012), Pader eta/. (2017),Thom as eta/. (2013), Thong Vu Dinh, Dietz eta/. (2012).

Figures

67. Timor Leaf-nosed Bat (Hipposideros crumeniferus), 68. Bornean Leaf-nosed Bat (Hipposideros doriae), 69. Durga Das’s Leaf-nosed Bat (Hipposideros durgadasi), 70. Dayak Leaf-nosed Bat (Hipposideros dyacorum), 71. House-dwelling Leaf-nosed Bat (Hipposideros einnaythu), 72. Andersen’s Leaf-nosed Bat (Hipposideros gentilis), 73. Fulvus Leaf-nosed (Bat Hipposiderosfulvus), 74. Thailand Leaf-nosed Bat (Hipposideros halophyllus), 75. Kolar Leaf-nosed Bat (Hipposideros hypophyllus), 76. Phou Khao Khouay Leaf-nosed Bat (Hipposideros khaokhouayensis), 77. Kunz’s Leaf-nosed Bat (Hipposideros kunzi), 78. Big-eared Leaf-nosed Bat (Hipposideros macrobullotus), 79. Maggie Taylor’s Leaf-nosed Bat (Hipposideros maggietaylorae), 80. Malayan Leaf-nosed Bat (Hipposideros nequam), 81. Nicobar Leaf-nosed Bat (Hipposideros nicobarulae), 82. Philippine Forest Leaf-nosed Bat (Hipposideros obscurus), 83. Orbiculus Leaf-nosed Bat (Hipposideros orbiculus), 84. Biak Leaf-nosed Bat (Hipposideros papua), 85. Pomona Leaf-nosed Bat (Hipposideros pomona), 86. Philippine Pygmy Leaf-nosed Bat (Hipposideros pygmaeus), 87. Ridley’s Leaf-nosed Bat (Hipposideros ridleyi), 88. Laotian Leaf-nosed Bat (Hipposideros rotalis)

Distribution. Endemic to C Laos .