Revenge of the Creature debut of Clint Eastwood, who appears uncredited as a lab technician named Jennings early in the story. He is shown having a discussion with Professor Ferguson, accusing a test subject cat of eating a lab rat, only to find the rat in his lab coat pocket. Critically reviewed in "The New York Times", "Revenge of the Creature" was dismissed as a fourth-rate sequel with the comment, "... away we go, as before." Other than some interesting sequences involving the setting, "What is probably the most unusual aquarium in the world makes a nice, picturesque background indeed ..." the review was
Serval that no such specimen had been identified by him or his colleagues, and that it differed considerably from the common serval. In 1944, Pocock identified three races of the serval from northern Africa. Three subspecies are recognised as valid since 2017: The phylogenetic relationships of the serval have remained in dispute; in 1997, palaeontologists M. C. McKenna and S. K. Bell classified "Leptailurus" as a subgenus of "Felis", while others like O. R. P. Bininda-Edmonds (of the Technical University of Munich) have grouped it with "Felis", "Lynx" and "Caracal". Studies in the 2000s and the 2010s show that the serval,