Pit bull terriers are domesticated dogs and, as such, don't have natural predators in the wild. They are bred for companionship and are not typically found in the wild.
However, like any other domesticated dog, they can be vulnerable to predators if they are left unsupervised in areas where wild animals roam.
It's important to remember that even though they are domesticated, they still retain some of their instincts from their ancestors. They are powerful and can be dangerous if not properly trained and socialized.