How 30,000 elephant 'selfies' will help in conservation

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Zoo keepers have compiled the world's largest collection of thermal images of elephants.

The pictures show elephants in every pose as they play, eat and hang out in their enclosure at ZSL Whipsnade Zoo.
The 30,000 "selfies" are being used in a conservation project to help save endangered elephants.
The researchers are developing new technology to help reduce human-elephant conflicts in countries where elephants roam free.
Alasdair Davies is conservation technology expert at the Zoological Society of London (ZSL).
He said the project had implications for both wild elephants and the people they live alongside in Africa and Asia.