Wyo. Stat. Ann. § 11-26-101 Prohibited generally; liability of owner; penalty.
(a) It is unlawful for the owner of any swine, goats, domestic elk or exotic livestock to allow such animals to run at large within Wyoming. As used in this section, "exotic livestock" means any nontraditional livestock animal including, without limitation, llama, alpaca and other camelids, ostrich and other ratites, bison hybrids and yaks. Any owner who permits or causes such animals to run at large within Wyoming, is liable for damages incurred by any person by reason thereof in a civil action.
(b) Any person violating subsection (a) of this section, after twenty-four (24) hours written notice by a proper officer, shall be punished as provided in W.S. 11-1-103.