Best of Natural History Radio

Lionel Kelleway meets Gill Turner, who has observed the behaviour of brown hares for the last 15 years to explore this question. Together, they marvel at the antics of the brown hare - one of the first signs of Spring - on a very special farm in Hertfordshire.

Lionel Kelleway joins Cairngorm Mountain Head Ranger Nic Bullivant on the snow fields of Caringorm looking for the Ptarmigan in their harsh and open mountain-scape.

Lionel Kelleway visits two very different yew trees in Scotland, including The Fortingall Yew - possibly the oldest living thing in Europe.

Lionel Kelleway travels to Lake Windermere in the Lake District to encounter one of Britains rarest fish, the Arctic charr, a remanant of the last Ice Age.

Brett Westwood presents. If we accept that saving all endangered species might not be practical, affordable or possible - then how are decisions made about what to save? We have a special report from Howard Stableford who went to see the Californian Condor project and we'll have James Leape, International Director General WWF live into the programme. Also in the programme David Robinson, Professor of Biology at the Open University looks at the performance of ispot across 40 episodes of Saving Species. And Kelvin Boot is in the studio talking about the proposed sale of British woodlands.

Lionel Kelleway joins Brian Morrell from WWT Caerlaverock to witness a wildlife spectacle rarely encountered in Britain - the dawn flight of thousands of Barnacle geese over the Solway Firth in Scotalnd.

Brett Westwood presents. In this programme we have our final "Memories" piece remembering the past abundance of the tenacious predators, stoats and weasels. We also discover the dangers of fragmenting heathland through the narrow-headed ant. Also in the programme we feature close encounters with the Africa Penguin on a remote island off the coast of South Africa. With news from Kelvin Boot.

Brett Westwood presents. We feature the final episode in our special series about "Lady Bird Book Britain". In this programme it's the winter edition, with the joys of swirling starlings, Mistletoe and birds at the bird table. And we turn our attention to charismatic mega fauna(!) and tourism. With two special reports, one from James Brickell in Australia and another from Mark Brazil in India, we examine how using tourists, are helping with research and protecting Whales and Tigers.

This week Brett Westwood meets Damon Bridge of the Great Crane Project to catch up on the progress of the European Cranes that were introduced to the Somerset Levels. Mark Brazil sends a report from Brazil where he has been on the trail of the hyacinth macaw. Chris Sperring presents the Autumn edition of the 'Ladybird Book Britain' series, and we have our regular wildlife news round-up with Kelvin Boot.

This week Kelvin Boot presents the latest findings about goose migration, following up on research first broadcast in the BBC Natural History Unit Radio series 'World on the Move'. Sarah Pitt meets Graham Martin to talk about Tawny Owls. Also in the programme, the mystery of the 'Star Jelly' solved by the Open University's iSpot, and details of a new species of Gecko.

Guest presenter Matthew Hill presents a special programme focussing on tigers. Matthew travelled to Tadoba National Tiger Reserve in India for Saving Species. There, he investigated a story about tigers that involves a local Indian community, a retired heart surgeon from Bristol and a remarkable education programme to conserve tigers, not kill them.

This week, Brett Westwood talks to Karen Partridge about the alarming situation facing lions in Africa and a controversial reintroduction programme. We also have the second in our series of 'Ladybird Book Britain', as well as a Christmassy wildlife news roundup with Kelvin Boot.

Brett Westwood presents. We feature a special report about Sloths from the southern most tip of the Caribbean off the coast of Panama. Also in the programme we have the first of our special Ladybird Book series. Chris Sperring takes the first editions of these books about Spring, Summer, Autumn and Winter - published in 1959 - and explores what species have gone, what have arrived and what hasn't changed. And with the news of two species of sharks attacking holiday makers in the Red Sea what does this do to the efforts to save sharks from extinction?

Brett Westwood presents a special edition of Saving Species from the 100 Foot Washes in Norfolk with an invited panel of experts and a live audience - And not to forget the thousands of migratory swans.

The raven is both agile and majestic in flight but shrouded in mystery, superstition and folk law. How was it that our biggest member of the crow family, a bird once protected as an important scavenger in ancient times, was then persecuted almost to extinction in the British Isles, with less that 1000 pairs clinging onto a precarious future in few remote hills in upland Britain? In this week's Living World, Lionel Kelleway travels to a remote part of Shropshire where thankfully the raven is making a remarkable comeback.