Oviraptors can be tamed by using eggs any kind of eggs. Mostly large eggs give out the most effect while taming. Small or medium eggs are good too. But their kibble is easy as long If you have dodo eggs or penguin eggs to make basic kibble to tame the oviraptor. And knock it out with tranq or a club. And have narcotics or narcoberries to help not to wake it up.