Chester Zoo has welcomed a family of ultra-rare monkeys as part of a breeding program to help save the critically threatened species from extinction. The four Roloway monkeys, one of the world’s ...

This news was reported to Dr. Aybolit by the monkey Chichi, who escaped from the robber Barmaley. Aybolit and his assistants — Chichi and the dog Avva — are in a hurry to save the monkeys from ...