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S2E10:Magical Appearances

David Attenborough's Natural Curiosities

18 Mar 2014TV-G

The mystery of where some animals disappear to each year puzzled early naturalists. Do swallows hibernate in mud or under water? Where do our butterflies suddenly appear from each spring? In this revealing nature documentary, David Attenborough discovers that the swallow's epic migration and the butterfly's magical transformation were scientific stories cloaked in mystery and controversy.