No they are not mammals. Amphibians and Reptiles are other classes of animals at the same level as the mammals. Mammals have hair, are warm blooded and give birth to live young. Amphibians and reptiles reproduce using eggs.
The Denver Zoo has a wide variety of animals from reptiles to amphibians to mammmals, etc. So yes, The Denver Zoo does have Bobcats and other kinds of felines such as lions and tigers.
Reptiles have scales and Amphibians do not.
Amphibians do not have scales; reptiles do.
No. Birds and reptiles are separate from amphibians.
No. Reptiles and amphibians are two different orders and animals and amphibians cam first. Simply put, the first amphibians evolved from fish and the first reptiles evolved from amphibians.
amphibians
amphibians
Herpetology is the study of the role of amphibians and reptiles.
Snakes are "Reptiles" not to be confused with "Amphibians"
Fish, and then amphibians, and then reptiles, and then mammals
No. Amphibians and reptiles are vertebrates and thus have an endoskeleton like we do.
Geoffrey A. Hammerson has written: 'Amphibians and Reptiles in Colorado' -- subject(s): Amphibians, Reptiles 'Amphibians and Reptiles in Colorado'