ABOVE: Photo taken from the Royal Mulu Resort of the large ridge that dominates the skyline. Geologically this is known as the Melinau massif an ancient limestone coral reef (karst) full of large caves. These caves have been cut by rivers over millions of years slowly dissolving the relatively soft limestone rock. The caves are used for roosting by millions of insect eating bats particularly the Wrinkled -lipped Bat Tadarida plicata.

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This Ficus lepicarpa was growing next to the circular boardwalk that circles  the limestone hill at the centre of the Royal Mulu Resort in Sarawak. Ficus lepicarpa is commonly found along the banks of small streams in open sunshine  in Borneo and is abundant at Mulu.

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The fig fruits of Ficus lepicarpa ripen green yellow and are covered with scurfy brown skin. There is usually an “equator  line”  around the middle of the fig fruit. The most likely dispersers are small  Cynopterus fruit bats, which roost locally under large leaves and do not enter the bat caves.
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Four species of Cynopterus fruit bats are found in Borneo.

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