Assertion: modern kangaroo | /r/HasProperty | plantigrade hoppers
Facets:
value: at high speeds
type: MANNER
Source sentences:
text: A more likely suggestion, based on the apparent anatomy allowed by the bone structure of P. goliah, is that unlike modern kangaroos, which are plantigrade hoppers at high speeds and use their tails in pentapedal locomotion at slower speeds, Procoptodon was an unguligrade biped, walking in a fashion similar to hominids.