Birds don't generally wear collars, but to give a bird an identity tag, leg bands can be used. This video demonstrates the way to put leg bands on baby pigeons. This is usually done between 5-7 days of age. When pulling the back toe through, make sure not to force it if the little claw gets caught on the inside of the band. Watch this video pet care tutorial and learn how to band the leg of a baby pigeon with an ID tag.