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

 
 
     
   
   

 

   
   
 
Horsfield's Fruit Bat
   
   

Fig 1


Fig 2


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Order : CHIROPTERA
Family : Pteropodidae
Species : Cynopterus horsfieldii

Forearm Length : up to 7.6 cm
Weight : up to 70 grams

Horsfield's Fruit Bat is one of the largest of the genus Cynopterus. It occurs in a wide range of elevations, from lowland to montane, and in a broad range of habitats, including various forest types, plantations, orchards and mangrove.

It utilizes a variety of roosts including caves, abandoned buildings and sheltered spaces beneath large leaves. Its diet is varied and is known to include the fruits of Elaeocarpus, Payena and Ficus (i.e. figs). Some studies have  documented this species as a nomadic bat, groups of which take advantage of fruiting episodes amongst rainforest trees far from their regular roost.

It can be distinguished in the field by its larger size, when compared to the common Lesser Dog-faced Fruit Bat, and by its broad, robust, dog-like muzzle.

Its fur is mainly greyish-brown, but males possess orange-brown fur around the throat, which extends to the upper chest and shoulders. As with other Cynopterus bats, its wing bones and ears are edged with white.

This species is known from southern Vietnam, Laos, Cambodia, Thailand, Peninsular Malaysia, Borneo, Sumatra and Java. There are no adequately documented records from Singapore, and its status there is considered 'indeterminate'.



Fig 1 : Adult male in an abandoned building near Fraser's Hill, Pahang, Peninsular Malaysia.

Fig 2 : A significant mound of faecal droppings indicates a popular roosting spot.


References : M5, M6, M12