User:Cornyon/Terrestrial locomotion

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A number of species move and stand on two legs, that is, they are bipedal. The group that is exclusively bipedal is the birds, which have either an alternating or a hopping gait. There are also a number of bipedal mammals. Most of these move by hopping – including the macropods such as kangaroos and various jumping rodents. Only a few mammals such as humans and the ground pangolin commonly show an alternating bipedal gait. Bipedal walking in the case of humans utilizes gravity to fall forward and then land on the opposite foot, leading to the distinctive bob in human walking. By utilizing gravity walking bipedally has shown potential for energy savings