A: A service animal is task trained to aid a disabled person. Therapy animals go through more generalized training to provide comfort to multiple people rather than a single handler. Emotional support animals typically recieve no formal training, but provide emotional support.

A: Service animals have public access rights, meaning they are reasonably allowed to accompany their handlers in spaces that do not allow pets. Therapy animals may be permitted by some businesses, but do not have the same rights as service dogs. Similarly, ESAs do not have public access rights, although they do have protection in housing.

A: The ADA puts no restrictions on what breed can be a service animal, but specifies that the animal must be a dog or a miniature horse.