Reptiles are tetrapod vertebrates, creatures that either have four limbs or, like snakes, are descended from four-limbed ancestors. Unlike amphibians, reptiles do not have an aquatic …

Dec 17, 2025 · A reptile is any member of the class Reptilia, the group of air-breathing vertebrates that have internal fertilization, amniotic development, and epidermal scales covering part or all …

Reptiles are air-breathing vertebrates covered in special skin made up of scales, bony plates, or a combination of both. They include crocodiles, snakes, lizards, turtles, and tor- toises.

3 days ago · As of March 2024, about 12,162 known living species are listed in the Reptile Database.

Mar 2, 2024 · Learn about reptiles or class Reptilia. Get the definition, examples, and characteristics of reptiles, as well as interesting facts.

Reptiles are a class of vertebrates made up mostly of snakes, turtles, lizards, and crocodilians. These animals are most easily recognized by their dry, scaly skin. Almost all reptiles are cold …

Oct 26, 2025 · Explore the world of reptiles with this complete guide. Learn what reptiles are, how they are classified, their characteristics, and amazing reptilian facts.