In the case of dinosaurs we have their skeletons, but we also have other evidence that can give insight into their daily lives, including preserved gut contents, eggs, nests, footprints, skin ...

impressions of feathers near the bones, and fossilized feathers themselves. However, scientists haven't been entirely certain of the details of the evolutionary transition from having scaly skin ...

“Point it at the part of the dinosaur you want to explore more ... For example, based on the discovery of Carnotaurus fossils ...

Charly TRIBALLEAU / AFP via Getty 4 Americans Charged with Selling $1M of Dinosaur Bones to China ... including fossilized skin impressions, and three ossicles (throat armor), which are offered ...