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David Attenborough presents a nature documentary series looking at why mammals are the most successful creatures on the planet.
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First episodes — open an episode to play
E1A Winning Design
58 min
From the tiniest bat to the massive blue whale, all mammals share the ability to nurture their young on milk and regulate their own temperatures.
E2Insect Hunters
58 min
Mammals from tiny shrews to giant anteaters have specialised in eating insects. Some have even pursued their prey into the skies.
E3Plant Predators
58 min
The plant eaters take on the largely indigestible, spiny and poisonous defences of plants with some spectacular physical adaptations to diet.
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