This designation includes larger, outdoor cats and the domestic cat ("Felis catus"). Feral cats ("Felis catus") also represent a significant threat. Domestic cats ("Felis catus") were increasingly worshiped and considered sacred. The cat ("Felis catus") is a domestic species of small carnivorous mammal. Human and cat ("Felis catus") ChAT, for example, have 89% sequence identity. The domestic cat ("Felis catus") predated a small fraction of the nests. Domestic cats ("Felis catus") also arrived in New Zealand as a result of European settlement. "Felis catus domesticus" was proposed by Johann Christian Polycarp Erxleben in 1777. Cat most commonly refers to the domestic cat, "Felis catus", or "Felis silvestris catus".