Herpetology is the branch of zoology concerned with reptiles and amphibians . It studies about cold-blooded animals like salamanders , frogs , toads , snakes , lizards , turtles , tuataras and crocodilians . Herpetology is the branch of zoology concerned with the study of amphibians ( including frogs , toads , salamanders , newts , and gymnophionae ) and reptiles ( including snakes , lizards , amphisbaenids , turtles , terrapins , tortoises , crocodilians , and the tuataras ) .