Fascinating Facts About Dinosaurs

... on each foot about six to seven centimeters long in Velociraptor that was held off

the ground while walking and could be deployed as a weapon. Recent discoveries

have shown that Velociraptor and its relatives were covered in feathers, making them look

more like deadly birds than scaly reptiles. These small predators likely hunted in

packs, using their intelligence, speed, and coordinated tactics to bring

down prey larger than themselves. Fact 19, dinosaurs lived during three geological

periods. The age of dinosaurs spanned three geological periods, the Triassic,

Jurassic, and Cretaceous, collectively known as the Mesozoic Era.