Manx Wildlife Trust says they are often ridden with parasites
Manx Wildlife Trust is warning people to keep a safe distance when around stranded mammals.
It's thought rough weather will cause more dead seals, dolphins and whales to be washed up around our coasts.
The public is being urged to take care when approaching the animals as they are often ridden with parasites.
Lara Howe is from Manx Wildlife Trust: