Buitreraptor is a small Dromeosaur from South America. Like all dromesaurus they lived in packs and covered in feathers. It is a carnivore and with the pack skills can take down large prey. It is believed that dromeosaurs first appeared in the Jurassic when the contentiants were closer to gether. Because Dromeosaurus have been found on all contentants throughout the age of dinosaurs.