This document discusses the history and various uses of working animals. It covers how animals are used for therapy, as service animals, and in jobs like the military, police, and search and rescue. Therapy animals can be dogs, horses, or dolphins and are used in hospitals and schools to aid in physical, mental, and emotional recovery. Service animals help those with disabilities and are highly trained to assist with tasks. Working animals also have roles in the police, armed forces, and for search and rescue operations where they help with detection, rescue, and delivery of messages.