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Text and photos by Nick Baker, unless otherwise stated

 EcologyAsia 2008
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Greater Bamboo Bat
   

Roosting inside the stem of the bamboo Schizostachyum brachycladum. The slit-shaped opening may have been created by beetles.

Order : CHIROPTERA
Family : Vespertilionidae
Species :
Tylonycteris robustula

Forearm Length : up to 3.0 cm
Weight : up to 9 grams

References : M1, M2, M3

 

The Greater Bamboo Bat is able to squeeze through a narrow opening of just 5 mm to gain access to its roost inside bamboo stems.  It is reported that the bats fly straight to the slit-shaped opening and enter without pausing. The species is also called the Greater Club-footed Bat, on account of the fleshy pads on the thumbs and soles of the feet which give it a firm foothold inside the bamboo. Rock fissures are another likely roosting site.

 
   
   

The species is similar to the Lesser Bamboo Bat, but instead has smooth, dark brown fur. The skull is flattened, and the ears wide apart.

The species ranges from southern China and Indochina through Thailand, Peninsular Malaysia and Singapore, to Indonesia (Sumatra, Java, Borneo, Sulawesi).