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Lionel Kelleway travels to Hertfordshire to marvel at the antics of the Brown Hare.
BBC Radio 4
The Living World treks up the slopes of the Cairngorm mountains to find Ptarmigan.
Lionel Kelleway travels to Scotland to wonder at two very different yew trees.
On England's largest lake, Lionel Kelleway encounters a very rare fish, the Arctic charr.
BBC Radio 4 FM