Image for Secret weapon

Secret weapon

Duration: 02:47

Sinornithosaurus' teeth may hold the key to their venomous bite.

Available since: Mon 19 Sep 2011


Series Producer
Nigel Paterson
John Hurt
Executive Producer
Andrew Cohen

This clip is from

Planet Dinosaur Original Series, Feathered Dragons

2/6 A look at some extraordinary feathered dinosaurs which have only just been discovered.

First broadcast: 21 Sep 2011

Image for Feathered Dragons Not currently available on BBC iPlayer

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