There are 13 different types of otter, including the sea otter, but only the wild Eurasian otter is native to Britain. It lives, primarily, along river banks and lakes, with a diet of 80 per cent fish, topped up with birds, mammals and frogs if there aren’t enough fish about.
The Eurasian otter has two layers of fur, with a warm inner layer and a waterproof outer one. It’s designed for the aquatic environment in which they spend most of their time. The otter actually lives in a hole on the river bank, called a holt, which has a few different entrances, including one above the level of the river, so you can see them coming and going.
Mostly, you’ll see otters either at play or hunting on and in…
