Documenting autumn events at Loch Lomond and the Trossachs National Park, a time for the red deer rut, when stags battle for the right to breed. Meanwhile, two osprey chicks, Lonaig and Murrin, begin their first 3,000-mile migration to West Africa, and cameras also follow the journey of Atlantic salmon and the birth of adders, the UK's only venomous snakes.
