Assertion: biped | /r/HasProperty | the ostrich
Facets:
Source sentences:
text: However the maximum bipedal speed appears less fast than the maximum speed of quadrapedal movement with a flexible backbone - compare the fastest bipeds the ostrich (65 km/h) or the red kangaroo (70 km/h) with the fastest quadruped, the cheetah ( 120 km/h).