Wis. Stat. § 169.40: Trespassing.

A person who hunts, traps, kills, or takes a wild animal subject to regulation under this chapter on land subject to a license issued under this chapter without the permission of the license holder or of the holder’s employee or agent is liable to the license holder for any damage that the person causes to any wild animal that is subject to regulation under this chapter or to any property or land that is subject to the license.