Meet the lifeguard dogs who save lives in the water
25 October 2016 Last updated at 07:15 BST
You might have seen lifeguards at the pool or beach before - but they probably didn't look like these ones...
Newfoundland dogs are being trained up to help people who get into trouble in the water in Somerset, south-west England.
They're perfectly designed for swimming, because of their thick oily coat and their flipper-like feet.
Jenny reports on their training.