Oviraptor lived during the Late Cretaceous period, approximately 75 to 71 million years ago. Fossil evidence indicates that this dinosaur primarily inhabited what is now Mongolia and parts of China. It is known for its distinctive beak and presumed egg-stealing behavior, although more recent studies suggest it may have been a caring parent. Oviraptor was a small, feathered theropod dinosaur that likely occupied diverse habitats, including coastal and inland environments.
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Oviraptor, by scientific guess, lived around 3 years, maybe 5 if there are few predators. Oviraptor could well defend itself, though. It is probable they could live longer, but we may never know, due to the fact that Oviraptor is extinct.
An oviraptor
Oviraptors did, but scientists found a fossil of one sitting on a clutch of eggs which looked like the eggs from Protoceratops . They were actually Oviraptor eggs. The scientists thought that Oviraptor died when it found the eggs
No
Tyrannosaurs like Tarbosaurus and Alioramus, and dromaeosaurs like Velociraptor could have been natural predators of Oviraptor.
The dinosaur name oviraptor originally meant "egg thief", because of the fact that an oviraptor skeleton was discovered "stealing" eggs from another dinosaur's nest. But recent evidence actually shows that the oviraptor was just being a good mother and protecting her nest from egg thiefs, but most likely a sand storm.
Oviraptor probably would have run from predators. If it was desperate, it could have attacked by biting them with its beak or attacking with its claws.
The Maiasaura and the Oviraptor did.
about the same size as a ostirch
The closest living relatives of Oviraptor are birds. Birds are the only type of dinosaurs that still exist. Therefor, not only are birds the closest living relatives of the Oviraptor, they are also the closest living relatives of any other extinct dinosaur.