its incisors and canines were sharp and well developed

This indicates passive

Longitud hocico-cola 226 mm

Approximate measurements of Dracorex:

it walked on two legs

Coelodonta antiquitatis Tiktaalik its incisors and canines wereCoelodonta antiquitatis , commonly known as the woolly rhinoceros, was a perissodactyl of the Rhinocerotidae family that inhabited the cold steppes and tundras of the Late Pleistocene in Eurasia, from Western Europe to Eastern Siberia, becoming extinct approximately 14,00010,000 years ago, towards the end of the last glaciation. It was a large mammal, comparable in mass to the largest modern rhinoceroses. Adults reached between 3 and 3. 8 meters in