Any creature that walks on two legs.
Noun used to describe an organism that habitually walks upright.
Describes an animal walking on its two hind feet
an animal that travels across surfaces supported by two legs
an animal that travels across surfaces supported by two leg s
an animal that walks mostly on two legs
A creature that walks on two legs
An animal who walks on two legs.
Bipeds walk on two legs. People are bipeds, so are birds.