Eoraptor is a small therapod dinosaur from the Triassic period. It is one of the earliest species of dinosaur. Dull coloured Eoraptor is the females, while the males are bright. Males would display the coulors by building small sand mounds and standing on them and making racket. Once a mate is choosen they are mate for life. They will care for there young from birth and protect them from predators.