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
Fund for the Replacement of Animals in Medical Experiments Michael Balls. FRAME receives no direct funding from local or central government and relies entirely on donations, legacies and corporate support. A list of its current corporate supporters is available in its annual report each year. Fund for the Replacement of Animals in Medical Experiments Fund for the Replacement of Animals in Medical Experiments (FRAME) is a charity based in Nottingham, UK. FRAME promotes consideration of the ethical and scientific issues involved in the use of laboratory animals for medical research, and the adoption of the Three Rs strategy of alternatives to animal testing. The Three Rs (Replacement, Reduction, Refinement)