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The story of Spineless Si from Springwatch 2015
As we celebrate 20 years of Springwatch we look back on everyone's favourite stickleback
Duration:
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Hannah Stitfall discovers RSPB Arne's reptiles
Duration: 02:53
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Hannah Stitfall goes behind the scenes on Springwatch
Duration: 01:18
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Enjoy the calmness of a kelp forest
Duration: 01:11
