36 CFR 2.4 Weapons, Traps, and Nets
(a)(1) The following are prohibited:
(iii) Using a weapon, trap or net.
A weapon means a firearm, compressed gas or spring-powered pistol or rifle, bow and arrow, crossbow, blowgun, speargun, hand-thrown spear, slingshot, irritant gas device, explosive device, or any other implement designed to discharge missiles, and includes a weapon the possession of which is prohibited under the laws of the State in which the park area or portion thereof is located.
36 CFR 2.2 Wildlife Protection
(a) The following are prohibited:
(1) The taking of wildlife.
(2) The feeding, touching, teasing, frightening or intentional disturbing of wildlife nesting, breeding or other activities.
(3) Posessing unlawfully taken wildlife or portions thereof.
Wildlife means any member of the animal kingdom and includes a part, product, egg or offspring thereof, or the dead body or part thereof, except fish.