Scotland - and Britain - has a relatively small land area, but despite this is home to a remarkable diversity of wildlife.
However, many of its native species are now at risk of disappearing forever due to habitat destruction, climate change, and various human-induced threats.
Some have seen their populations plummet by over 90 per cent in recent years, meaning that once-common creatures are now a rare sight.
These are 10 of the most at risk, according to the experts at ecology & arboriculture consultancy Arbtech - and how we can help them return from the brink.
Some have seen their populations plummet by over 90 per cent in recent years, meaning that once-common creatures are now a rare sight.