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Legendary naturalist Sir David muses on the natural history of perhaps the most lethargic beast in the animal world. From 2009.

Sir David muses on the natural history of the sloth

It's perhaps the most lethargic beast in the animal world, and one that he has admitted to wanting to be.

Series of talks by Sir David Attenborough on the natural histories of creatures and plants from around the world.

Producer: Julian Hector

First broadcast on BBC Radio 4 in June 2009.

10 minutes

On radio

Next Sunday 06:45
BBC Radio 4 Extra

More episodes

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Monstrous FlowersSeries 1

See all episodes from David Attenborough's Life Stories

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