It has been described as a week of mixed emotions for conservationists at the International Otter Survival Fund (IOSF) headquarters in Skye after one otter was released into the wild but another was found dead.
They have been involved in otter conservation for years, rescuing more than 200 in the UK alone.
An otter has died after it was allegedly attacked by a dog on an Aberdeenshire beach.
Police are carrying out inquires into the death of an otter found in discarded fishing gear near Aviemore.
The Scottish SPCA were called in to rescue a giant lizard found hiding from the cold weather, only to discover it was an ornamental otter.
An otter cub is recovering at a Scottish animal centre after being rescued.
These breathtaking pictures capture an eagle and an otter battling it out - over a fish supper.
A young otter cub is recuperating at an animal shelter after it was rescued from the banks of a river.
A cute, 10-week old, orphaned baby cub is being cared for at Broadford Otter Hospital on Skye.
An abandoned otter cub is recovering after being taken in by an animal charity.
Adorable images have emerged of an otter soothing its itchy back with a unique scratching tool - a lobster creel!