Watch the trailer:
What can you do to help Britain's wild mammals at home and out and about? How does plastic threaten mammals? Find out more and how you can easily identify your garden's visitors!
Will you explore a church near you this summer to look for evidence of bats, helping us research and conserve these protected mammals? No previous bat survey experience is needed.
By consulting a global network on experts on the world's most threatened birds and mammals, Birdlife International's Chief Scientist, Stuart Butchart was able to investigate how many species would have gone extinct over the last three decades in the absence of conservation action. The answer reveals how effective conservation efforts can be, even in the face of extreme threats. Screening from Thursday 1 April.