Wyo. Stat. § 11-6-101: Permission to eradicate upon refusal of entry by property owner.

Whenever predatory animals become a menace to livestock owned or controlled by any resident of Wyoming and the owner or lessee of any real estate in the vicinity where the livestock is ranged or pastured refuses permission to the owner of the livestock, his agents or employees, to enter upon the real estate for the purpose of destroying such predatory animals, entry may be obtained as provided by W.S. 11-6-102 and 11-6-103.