(1) Wild animals are ownerless as long as they are free. Wild animals in zoos and fish in ponds or other self-contained private waters are not ownerless.
(2) Where a captured wild animal regains freedom, it becomes ownerless if the owner fails to pursue the animal without undue delay or if the owner gives up the pursuit.
(3) A tamed animal becomes ownerless if it gives up the habit of returning to the place determined for it.