Beavers are creating networks of waterways in UK estates, which are helping to maintain wetlands during the heatwaves. The dams stop rivers drying out, but will also help prevent floods.
Beavers are living wild in Avon catchment for first time in 400 years dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.
The range of where these territories are has grown, from Glen Isla to Dundee and Stirling, Forfar to Crianlarich - and likely to expand into Loch Lomond in the future.