One of the most distinctive sounds on the Isle of Skye is being heard in greater numbers again thanks to the efforts of crofters.

The ‘crex, crex’ call of corncrakes – which can be made by a single male up to six million times during the breeding season - was once a familiar sound across the UK.

However, following a dramatic fall in numbers in the 20th century, the species had been left teetering on the brink of extinction.