Are dinosaurs more closely related to birds or 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. Birds are most closely related to crocodiles. To understand this, we should look at some history. read more

The closest living reptile relative to dinosaurs are crocodiles, who are further related from any dinosaur than birds are to any dinosaur. There was a branch of reptiles called archosaurs, one type of which became crocodiles and one type became warm-blooded and was the ancestors of dinosaurs. read more

Dinosaurs split off from reptiles as did mammals. They are no more reptile than is a bird or mammal. Dinosaurs are obviously closely related to birds and in fact birds are a type of dinosaur. I think there is very little doubt of that. read more