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07/03/2009

Countryside magazine. Helen Mark visits Scotland's rivers to find that the freshwater pearl mussel, already endangered, now faces new threats from unscrupulous thieves who kill all the mussels they gather in the hope of finding a precious pearl inside.

23 minutes

Last on

Thu 12 Mar 200915:02
BBC Radio 4

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28/02/2009

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Broadcasts

  • Sat 7 Mar 200906:07
    BBC Radio 4
  • Thu 12 Mar 200915:02
    BBC Radio 4

Podcast

  • Open Country

    Countryside magazine featuring the people and wildlife that shape the landscape of Britain