You might call her an alley cat, a barn cat or a street cat. No matter how you say it, she is a feral cat, unsocialized and living a valued life outside. Either she was born outside and never lived with a human family, or she is a house cat that has strayed from home, and over time, has reverted to a wild state. These unsterilized cats eventually form colonies, making their home wherever they can find food, avoiding human contact whenever possible. Tomcats prowl for mates, females become pregnant, and the cycle of reproduction continues.