Goats (Capra hircus) have been domesticated for over 10,000 years. For some, they’re meat. For others, they’re milk producers. And for still others, they serve as adorable pets or petting zoo staples.

Many, but not all, species of both wild and domesticated goats sport long tufts of hair under their chins, usually referred to as beards. Beards are more common on male goats, but females can have ...