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Episode 8 of 12

Chris Packham explores what makes animal groups successful. He looks beneath crocodiles' hard exterior to discover the secret to their 250-million-year history.

Chris Packham explores what lies beneath a crocodile's hard exterior to discover the secret to its 250-million-year history. It may look like a relic from a prehistoric world, but the crocodile boasts one of the most sophisticated physiologies on the planet. By following all stages of a crocodile hunt, from the warm-up to the ambush and the kill, Chris reveals how their extraordinary circulatory system enables them to hold their breath underwater for over an hour, how exceptionally sensitive skin detects their prey through water from over 20m away and how antibacterial blood means they can feast on anthrax-ridden meat.

29 minutes

Last on

Mon 4 Feb 2019 15:55


Music Played

Timings (where shown) are from the start of the programme in hours and minutes

  • 00:12

    Florence + the Machine

    No Light, No Light

  • 00:18

    Massive Attack

    Inertia Creeps


Role Contributor
Presenter Chris Packham
Executive Producer Jonny Keeling
Director Clare Kingston
Producer Clare Kingston
Series Producer Aaron Paul


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BBC Earth

Visit BBC Earth the new home of wildlife on the BBC

Wonder facts: The animals

Wonder facts: The animals

Fact files on the animals featured in the series.