Eurasian river otter (Lutra lutra) finishing a meal in the seaweed. Hebrides, Scotland

Eurasian river otter (Lutra lutra) in the marine environment to which they have adapted so successfully. Hebrides, Scotland.

Eurasian river otter (Lutra lutra). Hebrides, Scotland

Eurasian river otter (Lutra lutra) in the marine environment to which they have adapted so successfully. Hebrides, Scotland.

Eurasian river otter (Lutra lutra). With her only cub nearby, this mother is displaying great alertness. Hebrides, Scotland

Eurasian river otter (Lutra lutra) catching and eating snake pipefish (Entelerus aequoreus). Hebrides, Scotland.

Eurasian river otter (Lutra lutra). Otters in western Scotland have adapted well to life in a marine environment, though proximity to sources of fresh water is essential. Hebrides, Scotland

Eurasian river otter (Lutra lutra). Hebrides, Scotland

Eurasian river otter (Lutra lutra) eating fish. Otters in western Scotland have adapted well to life in a marine environment, though proximity to sources of fresh water is essential. Hebrides, Scotland

Pair of Eurasian river otters (Lutra lutra) foraging in and among the seaweed. Otters on Scotland's west coast and islands have adapted well to making a living in the marine environment. Hebrides, Scotland

Eurasian river otter (Lutra lutra). Hebrides, Scotland

Eurasian river otter (Lutra lutra) foraging in and among the seaweed. Otters on Scotland's west coast and islands have adapted well to making a living in the marine environment. Hebrides, Scotland

Eurasian river otter (Lutra lutra). Hebrides, Scotland