Animals appear to have stretched their natural gifts to the limits, including giraffes and chameleons.
Sir David Attenborough reveals nature's evolutionary anomalies, including the platypus and the curious case of the male midwife toad.
Sir David Attenborough looks at some amazing quirks of evolution; he encounters two examples where nature has tinkered with the ageing process.
David Attenborough looks at the tusk of the narwhal and the spiral shells found on snails and ammonites.
David Attenborough examines beautifully patterned or brightly coloured animals that attract the attention of collectors.
Female komodo dragons can reproduce without contact with a male, while female aphids can clone themselves to produce copies.
David Attenborough
Host
Hilary Jeffkins
Director
Stephen Dunleavy
Producer
Catherine Catton
