PUBLISHED : Thursday, 31 October, 2002, 12:00am
UPDATED : Thursday, 31 October, 2002, 12:00am

Man's Heritage: Iguanas - Living Like Dinosaurs

Pearl, 9pm

Can a living reptile now help uncover secrets of the dinosaurs' lost world? Green iguanas, adorned with spikes and claws, were once cast as dinosaurs in B movies. Although they are not directly descended, new research shows the social lives of these lizards may reveal how the dinosaurs behaved. Unlike other lizards, newly hatched iguanas emerge from nests as a group and learn their survival skills in gangs. David Attenborough goes deep into the jungles of Central America to meet a chilling cast of prehistoric-looking reptiles locked in battles every bit as dramatic as those played out by the dinosaurs. Up against crocodiles, hawks and vultures, the Tyrannosaurus of the modern world must be alert and ready for danger at all times.


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