(a) Changes to list.--The commission may, by regulation, add or remove any wild bird or wild animal native to this Commonwealth to or from the Pennsylvania native list of endangered or threatened species.

(b) Possession, transportation, capturing or killing.--Except as otherwise provided in this title, it is unlawful for any person, acting either for himself or as the representative of another, to bring into or remove from this Commonwealth, or to possess, transport, capture or kill, or attempt, aid, abet or conspire to capture or kill, any wild bird or wild animal, or any part thereof, or the eggs of any wild bird, which are endangered or threatened species. It is the duty of every officer having authority to enforce this title to seize all wild birds or wild animals, or any part thereof, or the eggs of any wild bird, which have been declared endangered or threatened.

(c) Purchase, sale, barter or exchange.--Except as otherwise provided in this title, it is unlawful for any person, acting either for himself or as a representative of another, at any time to buy, sell, barter or exchange, or to offer for sale or barter, or to have in possession for sale or barter, or to aid, abet or conspire in the possession, sale, barter or exchange, or to give away any endangered or threatened species or subspecies of wild birds or wild animals, or parts thereof. It is the duty of every officer having authority to enforce this title to seize all endangered or threatened wild birds or wild animals, or any part thereof. This subsection shall not be construed to permit any individual or agency other than the commission to sell the skins or parts of game or wildlife or the plumage or parts of birds killed as a protection to crops or accidentally killed upon the highways or seized as contraband.

(d) Penalties.--A violation of this section shall be graded as follows: