Felidae (novel) many contemporary ethical problems and philosophical questions, such as the relationship between mankind and animals and the idea of superior races within species. Thus, the "Felidae" series can be considered more complex and multi-layered than many contemporary crime novels. The novel begins with Francis, a tomcat, moving to a new neighborhood with his owner. Francis soon finds the corpse of another local cat, Sascha. Bluebeard (Blaubart in the original print), a deformed local cat, is convinced that humans(cat slang: "can-openers") are responsible for the death and other recent murders. Francis disagrees with this assessment, convinced that the slash on Sascha's
Kosher animals upon the ground, and animals which dwell in water – not according to modern scientific classification). Most of the remaining animals on the list are either birds of prey or birds living on water, and the majority of the latter in the list also eat fish or other seafood. The Septuagint's version of the list comprehensively lists most of the birds of Canaan that fall into these categories. The conclusion of modern scholars is that, generally, ritually unclean birds were those clearly observed to eat other animals. Although it does regard all birds of prey as being forbidden, the Talmud