Free Photo | Closeup shot of a gorilla walking in a field covered in greenery
What gorilla's upright walk could tell us about evolution - YouTube
Gorilla walks like a man Stock Photo - Alamy
Hygiene-Conscious Gorilla Walks Around on 2 Legs to Keep His Hands Clean - YouTube
Video shows gorilla walking upright — to keep his hands clean | The Philadelphia Zoo says one of its gorillas is taking a stand for a good reason. He walks upright because