Best of Natural History Radio Folgen

Chris Sperring is in Somerset during the last days of summer to find a bird that is one of the first to leave before the autumn. As the light fades a strange whirring sound fills the air and silent masters of flight hawk for moths and other airborne insects. Produced by Ellie Sans

Hen harriers are persecuted in the British Isles because they eat grouse. Seals cause problems for salmon fishermen; lions eat the livestock of pastoralists in Africa and so on. All over the world there are conflicts between people and wildlife, often with devastating consequences. In Shared Planet this week Monty Don looks at how we are approaching solving these issues, who is taking the bull by the horns and getting people around a table to come up with a shared solution? Conflict resolution is growing area that brings together scientists, local people, businesses, NGOs and many others who are affected by wildlife conflict. It is a demanding task finding a solution that all parties feel they can accept, on a par with the negotiations undertaken with trade unions by ACAS. This new area for conservation brings political and social science to sit alongside traditional conservation ideas. Monty Don investigates.

Artificial lighting is ubiquitous in the developed world - but the effects of night time illumination on wildlife are not yet fully understood. While we know that artificial light changes the behaviour of some animals we're still a long way from knowing whether those changes can damage wildlife populations. Monty Don finds out what we do know with particular regard to an important but often overlooked group of animals - insects.