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Text and photos by Nick Baker, unless otherwise stated

 EcologyAsia 2008
Copyright ©
 
 
     

 

 
   
Small Woolly Bat
   

Typical Kerivoula sp. - either K. intermedia or K. minuta
 


Close-up showing the thin, pointed tragus pointing upwards inside the ear.
 

Order : CHIROPTERA
Family : Vespertilionidae
Species : Kerivoula sp.

Forearm Length : up to 3.1 cm
Weight : up to 4.2 grams

References : M2, M3

 

Woolly Bats are small in size, and are known to inhabit tall primary and secondary forest.

The ears are somewhat rounded and barely extend above the top of the fur on top of the domed skull. The distinctive tragus is narrow, pointed and projects upwards inside the ear (see lower photo).

The orange-brown fur is thick, long and fluffy and covers much of the face. The eyes are tiny and the mouth small. The tail is fully enclosed in the flight membrane.

The species illustrated here appears to be either Kerivoula intermedia or K. minuta, both species being amongst the smallest of the woolly bats. These two species occur in Peninsular Malaysia and Borneo. K. minuta also extends to southern Thailand.


Thanks to Matt Struebig of the School of Biological & Chemical Sciences, Queen Mary, University of London for identifying these images as either K. intermedia or K. minuta.