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Dolphins - Spy in the Pod
The award-winning team behind Penguins - Spy in the Huddle use hidden cameras to go into the heart of the dolphins' world, offering the chance to encounter dolphins up-close
On iPlayer
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Supporting Content
Spies in the sea
The team behind Spy in the Pod discuss the unique way they captured footage of dolphins in the wild.
Watch the series director and producer explain some of techniques they used
Dolphins 'call each other by name'
Research has revealed that the marine mammals use a unique whistle to identify each other.
Read about their signature whistles
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