Felidae carnivores, meaning they are dependent on nutrients in animal flesh for survival, and because of the large proportion of meat in their diet they are sometimes referred to as hypercarnivores. Of the 13 terrestrial families in the order Carnivora, they are the strictest carnivores. The Felidae comprises two subfamilies, the Pantherinae and the Felinae. The former includes the "Panthera" species tiger, lion, jaguar, leopard, snow leopard, and "Neofelis" species clouded leopard and Sunda clouded leopard. All the non-pantherine cats are part of the Felinae, which includes several genera and the majority of cat species. The first cats emerged during the
Royal Society for the Prevention of Cruelty to Animals animals in hauling carriages, scientific experiments (including vivisection), and cultural amusements of fox-hunting, bull-baiting and cock-fighting were among some of the matters that were debated by social reformers, clergy, and parliamentarians. At the beginning of the nineteenth century there was an unsuccessful attempt by William Johnstone Pulteney on 18 April 1800 to pass legislation through England's Parliament to ban the practice of bull-baiting. In 1809 Lord Erskine (1750–1823) introduced an anti-cruelty bill which was passed in the House of Lords but was defeated in a vote in the House of Commons. Erskine in his parliamentary speech combined the vocabulary of