RCW 77.15.210
Obstructing the taking of fish, shellfish, or wildlife — penalty.
(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.
