Society for the Prevention of Cruelty to Animals Society for the Prevention of Cruelty to Animals A Society for the Prevention of Cruelty to Animals (SPCA) is a common name for non-profit animal welfare organizations around the world. The oldest SPCA organization is the RSPCA, which was founded in England in 1824. SPCA organizations operate independently of each other and campaign for animal welfare, assist in the prevention of cruelty to animals cases, rehabilitation and finding homes for maltreated and unwanted animals that can be reestablished into new homes. Policies regarding animal euthanasia, handling feral cats, and similar issues vary by organization. Canadian (Ontario) SPCA do euthanize healthy
Felidae Adult tigers actually display elongated rosettes that now appear as stripes. Adult lions seem to lack any distinctive markings altogether. Both juvenile tigers and lions, however, display partial rosettes. This ancestral character state appears only during these early stages, supporting the notion that ontogeny reflects phylogeny. The rosette patterns found on snow leopards, jaguars, and leopards all have a common origin. Fossil occurrences indicate that the Felidae arrived in North America about 10 million years later than the Canidae, and about 20 million years later than the Ursidae and the Nimravidae. Traditionally, five subfamilies have been distinguished within the Felidae