Felidae the Felidae, grouped according to the traditional phenotypical classification with the corresponding genotypical lineages indicated. It includes all of the currently living cat species. There is considerable variation in the taxonomy used for the wildcat. It used to be regarded as "Felis silvestris" with distinct subspecies "F. s. silvestris", "F. s. lybica" and "F. s. ornata" in Europe, Africa and Asia respectively. Since 2017, the IUCN Cat Specialist Group recognises "silvestris" and "lybica" as distinct species. The phylogenetic relationships of extant felids are shown in the following cladogram, based on the molecular phylogenetic analysis of Johnson et al. (2006). The
People for the Ethical Treatment of Animals They promote alternatives, including embryonic stem cell research and in vitro cell research. PETA employees have themselves volunteered for human testing of vaccines; Scott Van Valkenburg, the group's Director of Major Gifts, said in 1999 that he had volunteered for human testing of HIV vaccines. PETA opposes the use of animals for producing clothing made with fur, leather, wool, or silk. It also opposes the use of down from birds and the use of silk from silkworms or spiders. The group notes on its website: "Every year, millions of animals are killed for the clothing industry—all in the name of