Members of the natural resources board, and each warden, in the performance of official duties, are exempt from liability to any person for acts done or permitted or property destroyed by authority of law. No taxable costs or attorney fees shall be allowed to either party in an action against a member of the natural resources board or a warden.
Wis. Stat. § 29.944
A game warden who kills a dog that he believes is wounding or worrying a domestic animal is not exempt from liability under all circumstances. Munyon v. Moe, 46 Wis. 2d 629, 176 N.W.2d 324 (1970).