which were brought to Britain for fur farms in the 1950s, have been undertaken under the auspices of the Hebridean Mink Project and the Scottish Mink Initiative, which hopes to create a mink-free zone in a large area stretching from Wester Ross to Tayside.

Other than occasional vagrants, among the seals only the Phocidae, or earless seals, are represented. Two species, the grey seal