As used in this article, the following terms shall have the meanings indicated, unless a different meaning clearly appears from the context:
Homing and racing pigeons which have the name of the owner stamped upon the wing or tail, or are banded upon the leg with the name or initials of the owner or with an identification or registration number stamped on the band.
Any structure in which carrier pigeons are housed.
Any pigeon registered with any national pigeon racing organization.