exhaustive list of the forms of bipedalism, but most bipedal species use one or more of these techniques. Facultative bipedalism occurs in some species of antbears...

quadruped 'four feet'. Limited and exclusive bipedalism can offer a species several advantages. Bipedalism raises the head; this allows a greater field...

truly identify its locomotor behavior (i.e. whether it exhibited facultative bipedalism) and its phylogenetic position as a hominin in the evolution of...

Nonetheless, it remains a matter of controversy as to how bipedalism first emerged. The advantages of bipedalism were that it left the hands free to grasp objects...

Homo habilis, an advanced grasping-capable hand was accompanied by facultative bipedalism, possibly implying, assuming a co-opted evolutionary relationship...

have occasionally walked on its hind legs as a facultative biped. Other possible adaptations to bipedalism in Euparkeria include rows of osteoderms that...

zeugopodium, or lower leg. This would have enabled facultative bipedalism in Prorotodactylus, and a wholly bipedal gait in later dinosauromorphs. Pace angulation...

danger or foraging), Protoceratops could have employed a rapid, facultative bipedalism. He also noted that the flat and wide pedal unguals of Protoceratops...

However, Jerry J. Hooker argued that there is no evidence for facultative bipedalism in P. magnum unlike in the contemporary artiodactyl Anoplotherium...

Protoceratops juveniles indicates that protoceratopsids were able to employ facultative bipedalism when young and became obligate quadrupeds in adulthood. However...