16:55Deadly 60 BitesDeadly 60 Bite SizeEpisode 29: RattlesnakeCBBC Mon 6th Dec 2010, 16:55 on BBC One WalesWildlife presenter Steve Backshall tracks down 60 of the world's deadliest animals.GenresChildren'sFactualBrandDeadly 60 BitesSeriesDeadly 60 Bites: Deadly 60 Bite Size Source: BBC Online