Some hydras are born with two heads, some three, some as bipeds and some as taurs. The one before you was born with a taur body and four heads. The oddity being three of her four heads are feral. She can control them like limbs or let them go on autopilot. In this pic she's giving one a pet as the other two fight over a toy. They are akin to pets that she is the ultimate "master/owner" of. This pic had been sitting in my comp for abit, i had meant to upload it right away, as such the artist who drew it escapes me at the moment. All I can say is I did not draw her but I designed her the skilled https://www.furaffinity.net/user/hiorou/ brought her to life.