A wildlife film with a difference: it has A Message for any humans in the house: "The squirrel in the tree, the fox below, the birds, insects, all know that a time of plenty will not last forever." In other words, wartime viewers, enduring austerity and hardship, can learn a thing or two from animals' economical feeding habits. It's an entertaining hybrid of public information and natural history, made by a wildlife filmmaking 'dream team', including director Mary Field and cinematographers F. Percy Smith and Oliver Pike, all of them associated with the popular film series Secrets of Life.