Bird of prey "Accipitres", subdividing this into four genera: "Vultur" (vultures), "Falco" (eagles, hawks, falcons, etc.), "Strix" (owls), and "Lanius" (shrikes). This approach was followed by subsequent authors such as Gmelin, Latham, and Turnton. Louis Pierre Veillot used additional ranks: order, tribe, family, genus, species. Birds of prey (order Accipitres) were divided into diurnal and nocturnal tribes; the owls remained monogeneric (family Ægolii, genus "Strix"), whilst the diurnal raptors were divided into three families: Vulturini, Gypaëti, and Accipitrini. Thus Veillot's families were similar to the Linnaean genera, with the difference that shrikes were no longer included amongst the birds of prey. In addition
Prey 2 working since 2009 on a modified id Tech 4 engine that they opted to retain that engine. Project lead Chris Rhinehart said ""Prey 2" will provide gamers the opportunity to explore a new facet of the "Prey" universe, one that offers fast-paced action in an open, alien world. We're excited to show gamers the title we have been working on and hope they will be as excited by this title as we are." According to Pete Hines, the vice president of public relations and marketing at Bethesda, the current version of the game is what the developers wanted to make