This kind of mechanically efficient cantilevered design is more suited to the larger dinosaurs and seems to apply to all the heavyweight bipedal species.

Inthe interest of efficiency, it began to move about on two legs and eventually evolved into a new, bipedal species - the first hominid.

On the other hand, they must have observed that their appearance did nauseate the bipedal species they had encountered.

Unlike the other bipedal species of Vortis, Venom Grubs crawl along the ground.

Ichabod and Izzy, two yellow members of some furry bipedal Seussian species, serve as interlocutors.

She remembered how he had dismissed her as a "minor bipedal species."

In appearance they are a physically large and powerful bipedal species with muscular build, rough scaley skin, retractile claws and thick hides, growing up to eight feet tall.

"Aren't you contentious for a minor bipedal species?"

"This minor bipedal species," Janeway snapped, "doesn't take kindly to being abducted."

Around the Late Triassic period, animals with Carrier's constraint were preyed on by bipedal species that evolved a more efficient stride.