Pygmy Sloth Video
The pygmy sloth, who only lives on one island, looks like a tiny teddy bear and is very good at swimming. The BBC did a documentary on this relaxed, island-dwelling sloth. Take a look at some of the video here to see live pygmy sloths swimming:
(click on the "Pygmy Sloth Discovery" Link at the bottom for the video)
Pygmy Sloth illustration