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The working titles for the film were Top Spot and Stop-Over. Although Hollywood Reporter production charts indicate a shoot of approximately three weeks, the Hollywood Reporter review stated that the film took over one year to complete due to the great care put into filming the animal sequences, which make up nearly two-thirds of the picture. The film was praised by both Hollywood Reporter and Variety, the former calling it "a little gem of entertainment and artistry on a low budget." Variety felt the human action weakened the film, but nevertheless described it as "suspiciously close to being an uncommonly good artistic feature."
In 1966, McGowan International filed a two million dollar lawsuit against Storer Broadcasting Co. alleging wrongful appropriation in The Littlest Hobo television series, which was a spin-off from the feature based on Dorrell McGowan's original story. The outcome of the suit has not been determined.