The best way to tell the sex of a guinea fowl is by the sound they make. The males make a one-syllable sound like "Chi-Chi, Chi-Chi." The females make a two-syllable sound, as in "Buck Wheat, Buck Wheat." The males have larger wattles than the females, and a larger helmet.
GFIA = Guinea Fowl International Association
GFBA = Guinea Fowl Breeders Association
