(1) A person is guilty of unlawful interference with fishing or hunting gear in the second degree if the person: (a) Removes or releases a wild animal from another person's trap without permission; (b) Springs, pulls up, damages, possesses, or destroys another person's trap without the owner's permission; or (c) Interferes with recreational gear used to take fish or shellfish. (2) Unlawful interference with fishing or hunting gear in the second degree is a misdemeanor. (3) A person is guilty of unlawful interference with fishing or hunting gear in the first degree if the person: (a) Removes or releases fish or shellfish from commercial fishing gear without the owner's permission; or (b) Intentionally destroys or interferes with commercial fishing gear. (4) Unlawful interference with fishing or hunting gear in the first degree is a gross misdemeanor. (5) A person is not in violation of unlawful interference with fishing or hunting gear if the person removes a trap placed on property owned, leased, or rented by the person.
Wash. Rev. Code Ann. § 77.15.180 (West)
(1) A person is guilty of obstructing the taking of fish[, shellfish,] or wildlife if the person: (a) Harasses, drives, or disturbs fish, shellfish, or wildlife with the intent of disrupting lawful pursuit or taking thereof; or (b) Harasses, intimidates, or interferes with an individual engaged in the lawful taking of fish, shellfish, or wildlife or lawful predator control with the intent of disrupting lawful pursuit or taking thereof. (2) Obstructing the taking of fish, shellfish, or wildlife is a gross misdemeanor. (3) It is an affirmative defense to a prosecution for obstructing the taking of fish, shellfish, or wildlife that the person charged was: (a) Interfering with a person engaged in hunting outside the legally established hunting season; or (b) Preventing or attempting to prevent unauthorized trespass on private property. (4) The person raising a defense under subsection (3) of this section has the burden of proof by a preponderance of the evidence.
Wash. Rev. Code Ann. § 77.15.210 (West)