Question

Is the human beings four footed anilmal​

Answer 1

no human is not a 4 footed animal.

An animal who walk on two legs is called a “biped”, such as humans and birds.

There are some salamanders who only have two limbs, no “arms” or second set of legs, and they’re called “sirens” (taxonomic family “Sirenidae”). They have lost their hindlegs.