Otters are the largest member of the weasel family. Without fat to keep them warm, otters have to eat constantly to make up for the energy needed to maintain their body temperature. Some have even been seen taking rabbits. Otters may live in salt water, but they need regular access to freshwater to clean their fur. A small puddle will do.
Otters can be shy and elusive, but with patience and a few tricks there’s a good chance of seeing one. In Shetland, due to the long hours of summer daylight, otters have become used to going around in daytime as opposed to being nocturnal as in most other parts the world. In early summer female otters can be seen showing their cubs (usually two) how to hunt in the shallows of the kelp forest of Shetland. Like these two. Summer is also when the older cubs start exploring new territory.
To be successful in otter spotting, it is important to remember that otters have good smell and bad eye sight so, avoid your silhouette breaking the skyline. Also, make sure the wind is not blowing towards the otters as your scent will scare them off. Finally add in a small dose of luck and there they are.