Watership Down the two girls. Adams's descriptions of wild rabbit behaviour were based on "The Private Life of the Rabbit" (1964), by British naturalist Ronald Lockley. The two later became friends, embarking on an Antarctic tour that became the subject of a co-authored book, "Voyage Through the Antarctic" (A. Lane, 1982). "Watership Down" was rejected seven times before it was accepted by Rex Collings. The one-man London publisher Collings wrote to an associate, "I've just taken on a novel about rabbits, one of them with extra-sensory perception. Do you think I'm mad?" The associate did call it "a mad risk," in her
Watership Down (film) a 'U' certificate (suitable for all ages, similar to the MPAA's "G" rating), deciding that "whilst the film may move children emotionally during the film's duration, it could not seriously trouble them once the spell of the story is broken and a 'U' certificate was therefore quite appropriate". In 2012, the BBFC admitted that it had "received complaints about the suitability of Watership Down at U almost every year since its classification". In the U.S. the film was rated PG due to the violent scenes. This attitude was extended when the animated "Watership Down" TV series was marketed with the