Cat member of the cat family, the felids, which are a rapidly evolving family of mammals that share a common ancestor only 10–15 million years ago and include lions, tigers, cougars and many others. Within this family, domestic cats ("Felis catus") are part of the genus "Felis", which is a group of small cats containing about seven species (depending upon classification scheme). Members of the genus are found worldwide and include the jungle cat ("Felis chaus") of southeast Asia, European wildcat ("F. silvestris silvestris"), African wildcat ("F. s. lybica"), the Chinese mountain cat ("F. bieti"), and the Arabian sand cat ("F.
Cat foraging for food and sometimes intermittently fed by people, but are typically wary of human interaction. Domestic cats are similar in size to the other members of the genus "Felis", typically weighing between . Some breeds, such as the Maine Coon, can occasionally exceed . Conversely, very small cats, less than , have been reported. The world record for the largest cat is . The smallest adult cat ever officially recorded weighed around . Feral cats tend to be lighter, as they have more limited access to food than house cats. The Boston Cat Hospital weighed trapped feral cats, and