Notwithstanding the provisions of §§ 29.1-546 and 29.1-553, any person convicted of trapping or attempting to trap any migratory game bird, as defined in § 29.1-100, or convicted of possessing any such migratory game bird taken by means of a trap, shall be guilty of a Class 1 misdemeanor. Any person convicted of offering for sale, selling, offering to purchase, or purchasing any migratory game bird shall be subject to penalties as provided in § 29.1-553.