Learn about rodents, the largest group of mammals, with over 2,000 species living in almost every habitat on Earth. Discover their physical characteristics, classification, diet, and how they interact with humans and other animals. Learn about the diversity and adaptability of rodents, one of the most diverse groups of mammals, with over 2,000 species. See pictures and details of 46 common types of rodents, from beavers to chinchillas, and their habitats, behaviors, and ecological roles. Rodents are a type of small mammals with pointy skulls and continuously growing teeth. This group includes everything from rats to... What Are Rodents? Rodents are the most diversified mammalian order, representing about 40% of all mammals. Rodents, mammals of the order Rodentia, represent about 40% of all mammalian species. They are found across the world in all continents with the exception of Antarctica where they inhabit a wide variety of habitats. They can be arboreal, semi-aquatic or fossorial in nature. They are characterized by a pair of unremittingly growing incisors, both in the upper and lower jaws. Here we ...
