I have posted some of the laws from the links below and summarized the penalties.
Use the links for the full official text of the laws.
MGL 131 INLAND HUNTING AND FISHING
131 11 Hunting License issuance of same
Section 11. A person shall not fish in any inland waters of the commonwealth, unless he is a minor under fifteen years of age, nor hunt or trap any bird or mammal except as otherwise provided in sections four, fourteen, fifteen, twenty, twenty-one, twenty-three and thirty-seven without first having obtained a sporting, hunting, fishing, or trapping license. No sporting or hunting license shall be issued unless the applicant provides to the issuing authority proof of compliance with section fourteen.
131 66 Shotgun shell size and prohibited possession of same
Section 66. A person shall not, except during the prescribed open season when deer may be hunted lawfully with a shotgun, have in his possession a shotgun shell loaded with a rifled slug, single ball, buckshot of any size, BB shot or air rifle shot in any place where birds or mammals might be found, except on a skeet, trap or target range between sunrise and sunset; provided, however, that the director shall promulgate rules and regulations prescribing the type and size of such BB shot.
131 68 Hunting with light, artificial prohibited
Section 68. A person shall not hunt any bird or mammal except raccoon or opossum by the aid or use of any artificial light, or hunt any bird with a swivel or pivot gun. Any weapon or equipment used in such hunting by any person convicted of a violation of this section shall be confiscated and forfeited to the use of the commonwealth and disposed of by the director of law enforcement for the best interest of the commonwealth; and any motor vehicle, as defined in section one of chapter ninety, or other vehicle, boat or canoe so used may be seized and libeled in accordance with the provisions of chapter two hundred and fifty-seven.
131 72 tagging of deer
A person shall not have in his possession or under his control in any motor vehicle or transport the carcass of a deer except as provided in rules and regulations promulgated by the director. Possession of the carcass of a deer except as tagged or authorized herein shall be prima facie evidence that the same was unlawfully taken. Proceedings under any rule or regulation made under authority of this section or of section five and which pertains to the tagging or reporting of any deer killed may be begun in the district court within the judicial district of which the deer is found or the defendant lives
131 87 Arrest without warrant
Section 87. The director of law enforcement, his deputy directors of enforcement, chiefs of enforcement, deputy chiefs of enforcement, environmental police officers and deputy environmental police officers, wardens and members of the state police in areas over which they have jurisdiction and all other officers qualified to serve criminal process may arrest without a warrant any person found violating any provision of this chapter or of any ordinance, rule or regulation made under authority thereof, or other general or special law relating to fish, birds, mammals or dogs, and may seize any fish, birds or mammals unlawfully taken or held, which shall be forfeited to the commonwealth and disposed of by the said director for the best interest of the commonwealth. Wardens shall enforce the laws relating to fish, birds and mammals. Any of the foregoing persons authorized to arrest without a warrant may, in the performance of their duties, enter upon and pass over private lands, whether or not covered by water.
131 88 Display of fish and game and equipment
Section 88. The director, his deputy directors of enforcement, chiefs of enforcement, deputy chiefs of enforcement, environmental police officers and deputy environmental police officers, wardens and members of the state police in areas over which they have jurisdiction may request any person whom he reasonably believes to be engaged in hunting, fishing, or trapping, or to be unlawfully in possession of fish, birds or mammals, or to be in possession of fish, birds or mammals unlawfully taken, or in possession of unlawful equipment or ammunition, to forthwith display for inspection all fish, birds, mammals, equipment or ammunition then in his possession, and may arrest without a warrant a person refusing or failing to comply with such request.
131 89 Search warrants; seizures and forfeitures
Section 89. Fish, birds or mammals unlawfully taken or held, or any equipment, the possession or use of which is prohibited by any law relating to inland fisheries and game, may be the subject of a search warrant as provided in chapter two hundred and seventy-six. Any boat, vessel, bag, locker, package, crate, any building or other dwelling house, any motor vehicle as defined in section one of chapter ninety, or other vehicle, or anything else used to take, hold, keep, possess, transport or hold for transport fish or wildlife taken in violation of a law relating to inland fisheries and game may also be subject of a search warrant as provided in chapter two hundred and seventy-six.
Persons authorized to arrest without a warrant may seize any boat, vessel, fish car, bag, box, locker, package, crate, any motor vehicle as defined in section one of chapter ninety, or other vehicle, or any other personal property used in violation of a law relating to inland fisheries and game and hold the same for forfeiture by the commonwealth. Any fish, birds, mammals, equipment, and property, as specified herein, described in such warrant, may be seized and shall be forfeited to the commonwealth; provided, however, that this section shall not apply to fish, birds, mammals, equipment, or property, as specified above, passing through the commonwealth under the authority of the laws of the United States. Such search warrants may be issued to the director of law enforcement, his deputy directors of enforcement, chiefs of enforcement, deputy chiefs of enforcement, environmental police officers and members of the state police in areas over which they have jurisdiction. Any fish, birds, mammals and equipment described in such warrant may be seized and shall be forfeited to the commonwealth; provided, that this section shall not apply to fish, birds, mammals or equipment passing through the commonwealth under authority of the laws of the United States. Fish, birds or mammals so seized shall be preserved whenever in the opinion of the said director, or his agent thereunto duly authorized, proper facilities therefor exist, until, in the opinion of said director, the necessity for further preservation thereof ceases, at which time said fish, birds or mammals or equipment may be disposed of by the said director for the best interest of the commonwealth. Whenever seizure, and confiscation or forfeiture is authorized by any provision of this chapter, unless another procedure is therein indicated, such seizure, confiscation or forfeiture shall be conducted in accordance with the provisions of chapter two hundred and fifty-seven.
131 90 Penalties
131 11 punishment of 50 to 100 dollars and or not more than 30 days jail plus 300 to 1000 for each deer taken
13 66 50 to 1000 dollars and or not more than 1 year in jail
131 68 100 to 500 and or not more than 6 months
131 72 50 to 100 dollars and or not more than 30 days in jail