Why are dinosaurs considered reptiles?

Are dinosaurs reptiles - an easy to understand look at dinosaur classification & evolution for kids & students. Learn how reptiles became ... their body temperatures. Although dinosaurs didn't display all of the characteristics of modern reptiles (i.e. being cold-blooded), they were still considered to be reptiles. read more

However, while many dinosaurs did have feathers, all dinosaurs still have scales (though all birds have scales too, on their feet), and some dinosaurs may not have had any feathers. And while some dinosaurs were definitely warm blooded, some probably weren’t. read more

Although dinosaurs didn’t display all of the characteristics of modern reptiles (i.e. being cold-blooded), they were still considered to be reptiles. Are Dinosaurs Reptiles: A Modern Approach Much of what we know about dinosaurs is pieced together from fossils. read more

So a reptile is any animal descended from the original group called reptiles, and birds (as well as mammals) would be reptiles. Usually what people mean when they say birds are reptiles is that birds are more closely related to reptiles than anything else, and this is true in a way, but there are many types of reptiles. read more