The possession by any person of any fish under lawful size as designated in the Game Law shall be evidence that the same was taken within the state. Possession within this state of the carcass of any game animal or game bird which has shot marks upon it shall be evidence that the same was taken in this state, and the burden of proving otherwise shall be upon the party in whose possession it is found. Whenever the contents of any box, barrel, package, or receptacle consist partly of contraband and partly of legal game or raw furs, the entire contents of such box, barrel, package, or other receptacle shall be seized and confiscated. Whenever a person has in his or her possession any game in excess of the number permitted by law, all game in his or her possession may be seized and confiscated.