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.

Dec 30, 2025 · As of March 2024, about 12,162 known living species are listed in the Reptile Database.

There are four main groups of reptiles: turtles and tortoises; lizards and snakes; crocodiles and alligators; and the tuatara. Some reptiles spend most of their time in water, and many spend …

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

Apr 1, 2025 · Discover the different types of reptiles, from lizards and snakes to turtles and crocodiles. Learn their characteristics, examples, and unique adaptations.

Reptiles are a diverse group of cold-blooded vertebrates that include snakes, lizards, turtles, and crocodiles. Characterized by their scaly skin and egg-laying reproductive system, reptiles have …

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.

Reptiles are air-breathing, cold-blooded vertebrates that have scaly bodies rather than hair or feathers; most reptile species are egg-laying, though certain “squamates” — lizards, snakes …