Oregon Revised Statutes Wildlife § 498.042

(a) From the carcass of any game mammal or game bird, the head, antlers, horns, hide or plumage.

(b) From the carcass of a black bear or cougar, the paws, gallbladder, sex organs or bones.

(c) From the carcass of a sturgeon, salmon or steelhead, the eggs.

(a) When engaged in lawful trapping activities.

(b) When utilizing those game mammals or game birds that the State Fish and Wildlife Commission by rule declares to be inedible.