Generally speaking, if an animal is found abandoned in a state, the animal may be impounded by the state or a local animal control agency. However, the animal's owner may be able to reclaim the animal by paying any applicable fees and providing proof of ownership.
It is important to note that the laws governing abandoned animals can vary significantly from state to state, so it is important to consult the laws of the state in question for specific information on whether an animal can be considered abandoned and impounded by the state.