Canopy bridges for monkeys, ropeways for squirrels, ladders for fish. Wildlife crossings are finding new ways to ferry animals across highways and tunnels.
Wild Isles Episode 4 Freshwater wildlife stories, filming locations and behind the scenes secrets bbc.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bbc.co.uk Daily Mail and Mail on Sunday newspapers.
Atlantic salmon battling their way upstream, toadlets contending with carnivorous leeches and mayfly emerging in their millions: what was it like filming Wild Isles ? And what can you expect to see? Producer Chris Howard explains how a bat lek was captured using high-speed infrared cameras.
Jarvis Cocker releases the bats | HeraldScotland heraldscotland.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from heraldscotland.com Daily Mail and Mail on Sunday newspapers.