Dinosaur evolution

Why Birds Are Dinosaurs: Fossils, Feathers & Scientific Evidence

by
Museum-quality paleoart comparing a feathered Deinonychus antirrhopus with a modern Red Junglefowl, illustrating that birds are the only living theropod dinosaurs.

If you’ve ever watched a pigeon strut across a sidewalk with its head bobbing and its clawed feet gripping the pavement, you were looking at a dinosaur. Not a metaphorical one. Not a “descendant of” one, in some vague ancestral sense. A living, breathing member of the dinosaur family tree, classified that way by the … Read more

Types of Dinosaurs: The Major Groups, Clades, and Families Explained

by
Dinosaur evolution tree showing major clades including theropods, sauropods, ceratopsians, ankylosaurs, and birds

There are more types of dinosaurs alive today than there were during the Cretaceous Period. That statement sounds wrong — but it is scientifically accurate. Modern birds are dinosaurs in the full evolutionary sense, and with roughly 10,000 living bird species compared to an estimated 700–900 known non-avian dinosaur species in the fossil record, the … Read more