Code of Federal Regulations Title 50. Wildlife and Fisheries § 50.20.43 Species identification requirement

No person shall transport within the United States any migratory game birds, except doves and band-tailed pigeons (Columba fasciata), unless the head or one fully feathered wing remains attached to each such bird at all times while being transported from the place where taken until they have arrived at the personal abode of the possessor or a migratory bird preservation facility.