50 CFR § 92.20 - Methods and means.
You may not use the following devices and methods to harvest migratory birds:
(a) Swivel guns, shotguns larger than 10 gauge, punt guns, battery guns, machine guns, fish hooks, poisons, drugs, explosives, or stupefying substances;
(b) Shooting from a sinkbox or any other type of low-floating device that affords the hunter a means of concealment beneath the surface of the water;
(c) Hunting from any type of aircraft;
(d) Taking waterfowl and other species using live birds as decoys, except for auklets on Diomede and St. Lawrence islands (Use of live birds as decoys is a customary and traditional means of harvesting auklets on Diomede and St. Lawrence islands.);
(e) Hunting with the aid of recorded bird calls;
(f) Using any type of vehicle, aircraft, or boat for the purpose of concentrating, driving, rallying, or stirring up of any migratory bird, except boats may be used to position a hunter;
(g) Having in possession or using lead or other toxic shot while hunting (Approved nontoxic shot types are listed in § 20.21(j) of subchapter B.);
(h) Shooting while on or across any road or highway;
(i) Using an air boat (Interior and Bristol Bay Regions only) or jet ski (Interior Region only) for hunting or transporting hunters;
(j) Using private or chartered aircraft for hunting or transporting hunters, except for transportation between community airstrips (Unit 18, Yukon/Kuskokwim Delta Region only); or
(k) By the aid of baiting, or on or over any baited area, where a person knows or reasonably should know that the area is or has been baited, as provided at 50 CFR 20.21(i) and 16 U.S.C. 704(b).