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Text and photos by Nick Baker, unless credited to others.
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Intermediate Roundleaf Bat 
-  Hipposideros larvatus
   
   

Fig 1


Fig 2


Fig 3

 

Order : CHIROPTERA
Family : Hipposideridae
Species : Hipposideros larvatus

Forearm Length : up to 6.5cm
Weight : up to 10 grams

Hipposideros larvatus (Intermediate Roundleaf Bat) roosts in caves, abandoned mines and rock crevices, sometimes in large numbers. It is similar to, though smaller than, the Great Roundleaf Bat Hipposideros armiger.

The diagnostic feature of the Intermediate Roundleaf Bat is the three lateral accessory leaflets on each side of the noseleaf (see fig 3).

The fur colour is dark grey-brown or reddish brown, and the ears and noseleaf dark grey or brown. The ears are broad and roughly triangular in shape.

The species is widely distributed from southern China through Myanmar, Thailand and Indochina to Malaysia, Sumatra,  Borneo and Java. It has not been recorded in Singapore.


Fig 1 : A dark grey-brown specimen in a cave at Taman Negara, Pahang, Peninsular Malaysia.

Fig 2 : Dorsal view of another specimen from the same roost.

Fig 3 : Close-up of the head, showing the three lateral accessory leaflets on the noseleaf.


References :

Lekagul, B., McNeely, J., 1977. Mammals of Thailand. Association for the Conservation of Wildlife, Thailand. 758 pp.

Payne, J., Francis, C.M., 1998. A Field Guide to the Mammals of Borneo. The Sabah Society.