Cull of the Wild delves into the challenges conservationists face - practical and ethical - as they try to counter one of the greatest threats to biodiversity: invasive species.
Culling animals for the sake of conservation is a thorny, sometimes crucial and often controversial issue. For naturalist Hugh Warwick, it is far from a comfortable subject. He loathes the idea of killing (or even eating) animals. Yet, as an ecologist, he is acutely aware of the need, in some instances, to kill and remove invasive species whose presence harms the wider environment.