Teddy Haslam accidentally shoots one of his hawks, while it is being stolen and takes it to Donald to save it, unfortunately Donald is not there and Ethel lends a hand, until Donald arrives. The education centre opens. A thief in the zoo turns out to be a young boy stealing money from the zoo pools and a pair of squirrels! Donald is called to see a miniature horse which has become the companion of a Llama, which unfortunately dies. Meanwhile at Manford Safari Park the tigers come down with a mysterious ailment which 'drowns' them. and needs all Donald's ingenuity to sort out. Which result in Donald and Challon being hunted through the enclosure by the big cats.
A number of animals are killed at the Bellington Zoo and suspicions point to a keeper being responsible, it later transpires to be the work of a suspended prison officer who once worked at the zoo. Paddy is offered the post of head keeper at the Bellington and Liz masterminds an education centre at the zoo. Meanwhile Donald fights tooth and nail to prevent Challon using dubious methods to make money using the dolphins at Manford Safari Park.
Donald and Paddy escort an orang-utan to a zoo, which later turns into a raging menace. Meanwhile a young eland with a tooth abscess attacks and kills it's keeper, and Donald comes under pressure from the press to put it down. Elsewhere a blind lady donates a mynah bird to the Bellington Zoo, where it is stolen by an underpriviledged boy from a nearby school.