There are as many as 38 different types of cat species all the way from domestic cats to mountain lions. Cats are spread throughout the world and all live in similar habitats. There used to be 5 genera that the cats were divided into which included Lynx, Felis, Panthera, Acinonynx, and Neofilis. The Lynx genus consisted of cats with bob tails and tufted ears. Felis was made up of cats that can purr but not roar and Panthera consisted of cats that can roar. Acinonynx only consisted of the cheetah and Neofilis only consisted of the clouded leopard. More recently cats were divided into 3 major groups that are Acinonyxinae (the cheetah), Pantherina (large cats), and Felinae (small cats). They all contain one or more endangered species. The smallest cat species in the Felinae genus is the rusty-spotted cat (Prionailurus rubiginosus) only weighing an average weight of 2.2 pounds. The largest cat species in the Pantherina genus is the Siberian tiger (Panthera tigris) averaging a weight of 931 pounds. All cats mostly prey on amphibians, hares, insects, reptiles, rodents, snakes, fish, birds, spiders, and any animal that is invading their territory. In rare occasion sometimes a cat will attack a chicken, duck or passerine and eat it. Cats most serious enemy is a wolve and even eagle-owls and saker falcons have been knows to attack kittens and eat them.