Vertebrate fauna of SE Asia
  

 

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Text and photos by Nick Baker, unless otherwise credited.
Copyright ゥ Ecology Asia 2020

 
 
     
   
   

 

   
   
 
Lesser Woolly Horseshoe Bat
   
   

Fig 1


Fig 2


Fig 3


 

 

Order : CHIROPTERA
Family : Rhinolophidae
Species : Rhinolophus sedulus

Forearm Length : up to 4.8 cm
Weight : up to 11 grams

The Lesser Woolly Horseshoe Bat is mainly a species of lowland primary forest. It roosts in a variety of structures including, reportedly, manmade structures such as road culverts. Its natural roosts. however, include caves, dense foliage and sheltered cavities beneath large fallen trees.

Typically it is found roosting either alone or in pairs, which suggests it may be monogamous.

The thick, dark brown to dark grey, woolly fur characterises this and other woolly horseshoe bats. The ears are large and forward pointing. The complicated noseleaf includes a distinctive  pointed lancet located between the eyes, and a pair of lappets on either side of a central structure (the sella).

This is a relatively small species of insectivorous bat, weighing a maximum of just 11 grams.

The species appears to be restricted to Peninsular Malaysia and Borneo. In Singapore its status is listed as 'indeterminate'.


Figs 1 and 2 : A pair of Lesser Woolly Horseshoe Bat found roosting beneath a large fallen tree in lowland, tall forest at the margin of freshwater swamp forest.

Fig 3 : The roost was formed between the buttresses of a large fallen tree.


References : M6