David Attenborough's Natural Curiosities - Season 2 (2014) (season)
UK,
2014, 22 min
VOD (3)
Plots(1)
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? The discovery of the swallow's epic migration and the butterfly's magical transformation were scientific stories cloaked in mystery and controversy. (Prime Video)
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