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.

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.

May 30, 2025 · Explore the world of reptiles—snakes, lizards, turtles, and more. Learn about habitats, diets, behavior, and unique species from around the globe.

A list of the reptiles and amphibians of Iowa, and maps of their ranges.

Apr 13, 2018 · Reptiles: The Ultimate Guide. In this incredible guide you’ll find out what a reptile is, how reptiles evolved, and the different types of reptile alive today.

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 …