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In Search of Dippers
In Search of Dippers: Lionel Kelleway joins Steve Ormerod from Cardiff University on a Welsh riverbank to observe the dipper, the world's only truly aquatic passerine bird.
Last on
Sun 24 Feb 2008
06:35
大象传媒 Radio 4
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- Sun 24 Feb 2008 06:35大象传媒 Radio 4
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