Giant Otter - Yorkshire Wildlife Park
These 2 were siblings - chasing each other around the water, in and out. It was an absolute nightmare getting a close up of them quickly enough as they were going underwater, then as soon as you thought you'd got them - they would surface 10m away!

The giant otter is a South American carnivorous mammal. It is the longest member of the Mustelidae, or weasel family, a globally successful group of predators, reaching up to 1.7m. Atypical of mustelids, the giant otter is a social species, with family groups typically supporting three to eight members.
Similar species: Carnivorans
By Stuart
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Uploaded May 15, 2017. Captured May 14, 2017 13:54 in 15 Warning Tongue Ln, Doncaster DN4 6TB, UK.