Descent ascent dive
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Tracking a whale shark

Researchers at Swansea University have been able to track the path of a whale shark, using specially designed "daily diary" tags.

The group at Swansea has chronicled the lives of more than 1,000 animals and 100 different species including penguins, cheetahs, sloths, albatrosses, elephants, cormorants and leopards.