Birds are avian dinosaurs, and phylogenetic taxonomy includes over 11,000 extant species in the group Dinosauria. Dinosaurs are a diverse group of reptiles [note 1] of the clade Dinosauria. They first …

Dec 17, 2025 · Dinosaur - Evolution, Classification, Extinction: After dinosaurs were recognized as a new type of fossil animal, popular fascination with them reached a peak in the 1850s with the first …

Dinosaurs dominated Earth during the Mesozoic Era. But what was the first dinosaur, what did they look like and where did they come from?

Apr 18, 2018 · Like all living creatures, dinosaurs evolved from preexisting ancestors. Here's an overview of what we currently know about dinosaur evolution.

Scientists estimate over a thousand dinosaur species once roamed Earth. Learn which ones were the largest and the smallest, what dinosaurs ate and how they behaved, as well as surprising facts about …

Explore the collections of Museum of the Rockies and explore how dinosaurs and other animals have evolved to produce specific adaptions for survival. Examine how scientists use specific …

Dec 5, 2025 · Recent discoveries continue to revolutionize our understanding of dinosaur evolution. Feathered dinosaurs from China, evidence of dinosaur coloration, and insights into their metabolism …

Apr 29, 2025 · Explore the evolutionary relationships of dinosaurs, from major lineages to fossil evidence, and how modern birds fit within the dinosaur family tree.

Dec 1, 2023 · In this article, we will explore the dinosaur timeline, the evolution stages of these incredible creatures, and the fossil record that sheds light on their ancestors.

May 19, 2025 · For many, paleontology is synonymous with dinosaurs. Ruling our planet from the Triassic to the Cretaceous, ∼238 to 66 million years ago, these animals exhibited a wide variety of …