This is a link to what Fowl Pox Pics look like. I'd say your birds just have small scabs from pecking or mating. My thoughts!
http://www.bing.com/images/search?q=Fowl+Pox+Pics&FORM=IGRE#
http://www.bing.com/images/search?q=Fowl+Pox+Pics&FORM=IGRE#