She hops like a frog to stand up and walks with a high-shouldered gait that resembles a gorilla. Unable to swing her head side to side, Pig spins her whole body to see what's beside her.

A gorilla at the Philadelphia Zoo was filmed walking on two legs - just like humans Although gorillas occasionally walk on two legs (bipedal), it is far from a common occurrence or sighting. Not ...

This gorilla at the Philadelphia Zoo can strut. Louis, an 18-year-old male western lowland gorilla was videotaped walking with a perfectly upright posture - and that was all it took for his strut ...

PHILADELPHIA — Video has captured a gorilla walking upright for several seconds — all to keep his hands clean, according to zoo officials. The Philadelphia Zoo posted the video on Twitter March 5.