A film in German about an experimental site for animal cohabitation at the Moscow Zoo. 1 part. Moscow city. Moscow Zoo. Black and white swans, ducks swim in the Big Pond. Leopard looks out of the cage. Monkey with a baby. The cat and the sable are playing together. Zoo visitors watch the animals. The cat lies quietly in a wooden basket and feeds the blind rats placed on it, under the supervision of an employee of the zoo, innovator Vera Vasilievna Chaplina. The cat is strangling an adult rat. The cat protects the pups from the black cat. The zoo employee [Lipa Penevina] enters the cage of the tiger cub, takes it and carries it to the raccoon cage; raccoons growl (200.8) 2 part. Moscow city. Moscow Zoo. Dogs in a cage. The cubs eat from the feeders. The boy feeds the fox in the cage. A black bear cub is drinking milk from a bottle. The goat and the wolf cub eat in the same cage. Animals sleep in their cages; run out for a walk after sleep. A tiger cub plays with a brown bear cub. A bear cub is climbing a wooden hill, dogs are walking nearby. Cubs and cubs come up to a frog sitting on the sand. The frog is jumping; cubs climb a tree. Teddy bear in the water. A tiger cub sits on the edge of a pond (211.9)