Otters are part of the Mustelid family which also includes ferrets, weasels, badgers, skunks and minks. There are 13 species of otter worldwide, and every continent of the world is home to at least one species of otter except Australia and Antarctica. Otters have been on earth for 30 million years.
Fact about Otters
Asian Small-clawed Otters have acute hearing. Their ears are specialized to fold flat against their head when they are swimming. This is to prevent water build-up in the ear canal.