"Bats use a lot of different types of sounds, from singing to each other to find a mate and to using echoes from their tweets to find their way around, " explained Kate Jones, joint University College of London (UCL) and Zoological Society of London (ZSL) chairwoman of ecology and biology.

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The event is co-organised by the Zoological Society of London (ZSL) Dr Nathalie Pettorelli and the Dr Seirian Sumner from the University of Bristol.

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The mysterious creature was traced by a joint team from the Zoological Society of London (ZSL) and Sri Lanka who conducted about 1, 000 nocturnal searches in mountain forest.

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