Colo. Rev. Stat. § 33-6-112
The commission may establish by rules or regulations requirements for preserving the evidence of sex or species or both sex and species of wildlife taken under the provisions of articles 1 to 6 of this title. It is unlawful for any person to possess any wildlife or considerable portion thereof in violation of such rules or regulations. For the purposes of this section, the evidence of species or sex may be one or more of the following: Head, antlers, horns, testes, scrotum, udder, spurred leg, wing, skin, or plumage in sufficient amount to allow the evidence of species or sex to be determined by ordinary inspection. Any person who violates this section is guilty of a misdemeanor and, upon conviction thereof, shall, with respect to big game, be punished by a fine of one hundred dollars and an assessment of ten license suspension points or shall, with respect to all other wildlife, be punished by a fine of fifty dollars and an assessment of five license suspension points.
C.R.S. § 33-6-112
This section is similar to former § 33-6-109 as it existed prior to 1984.