it had a more efficient semi-upright posture than many earlier reptiles

Ancho 470 mm

Recent studies suggest that it possessed highly developed senses

El Dakotaraptor

It is estimated that it was around 12 to 13 meters in length and weighed between 6 and 8 tons

Oviraptor “Spike” skeleton Variant:Unprimed it had a more efficientOviraptor was an oviraptorid theropod dinosaur from the Late Cretaceous of Mongolia, famous for its light, highly specialized anatomy, and for providing key information on the reproductive behavior and biology of non avian theropods. Far from the initial image of an "egg thief," it is now interpreted as an animal closely related to birds, probably omnivorous or opportunistic, and with advanced parental care. The Oviraptor skeleton is characterized by