David Attenborough Planet Earth II gives viewers nightmares with 'terrifying' snakes Speed Read Fate of a group of baby iguanas has fans watching behind their hands as David Attenborough returns to BBC Speed Read David Attenborough turns 90: Six things you didn't know In Depth He's appeared on TV for more than 60 years, but there's still lots to learn about the much-loved naturalist By The Week Staff Published 9 May 16 In Depth 1 2