Okla. Stat. tit. 21, § 1681

Any person who willfully administers poison to any animal, the property of another, and every person who maliciously exposes any poisonous substance with intent that the same shall be taken by any such animal, shall be guilty of a Class D1 felony offense and shall be punishable by imprisonment as provided for in subsections B through F of Section 20N of this title, or by a fine not exceeding Two Hundred Fifty Dollars ($250.00), or by both such fine and imprisonment.