Watership Down political sensibilities of the 1990s when it was published. In 1978 Martin Rosen wrote and directed an animated film adaptation of "Watership Down". The voice cast included John Hurt, Richard Briers, Harry Andrews, Simon Cadell, Nigel Hawthorne, and Roy Kinnear. The film featured the song "Bright Eyes", sung by Art Garfunkel. Released as a single, the song became a UK number one hit. Although the essentials of the plot remained relatively unchanged, the film omitted several side plots. Though the Watership Down warren eventually grew to seventeen rabbits, with the additions of Strawberry, Holly, Bluebell, and three hutch rabbits liberated
Nicholas Hoult surface, that futility-of-war idea". He recalled the filming experience in the Jordanian military bases practising clearing procedures: “we put on these masks, get given these guns, are put inside this pitch-black house ... try and hunt down these bad guys hiding inside. You’re in all the gear ... the adrenaline starts pumping". Released on Netflix in April 2017, the film garnered mixed reviews. Hoult will appear in the British-Irish-American animated television mini-series adaptation of Richard Adams' 1972 novel "Watership Down"; the mini-series is directed by Noam Murro and adapted by Tom Bidwell. He voiced one of the lead characters, Fiver.