For this project we made both a red and a green dinosaur. You can make yours whatever color you like! For the instructions, ...

compounds that give modern bird eggs color and speckling. Bird eggs, such as these from tinamous, get their colors from pigments including protoporphyrin and biliverdin. Some fossil dinosaur eggs ...

The 124-million-year-old dinosaur belonged to a group of small carnivores called compsognathids, and its feathers were more ...

The dinosaur's plumage may have been used for mating or other visual displays, similar to how modern birds use their colorful feathers, or to help regulate body temperature. The feathers might ...