Conversation so far:
what are moors?
The term Moors refers primarily to the Muslim inhabitants of the Maghreb, the Iberian Peninsula, Sicily, and Malta during the Middle Ages.
what is heraldy?
Heraldry is a broad term, encompassing the design, display, and study of armorial bearings, as well as related disciplines together with the study of ceremony, rank, and pedigree.
when did the moors in heraldry happen?
Maures appear in European heraldry from at least as early as the 13th century
What role did Moors play in Europe?
Moors—or more frequently their heads, often crowned—appear with some frequency in medieval European heraldry, though less so since the Middle Ages.
anything else interesting about Moors besides when Moors appear?
Moors are also sometimes called moore, blackmoor, blackamoor or negro.
what did the moors head look like?
The arms of Pope Benedict XVI feature a moor's head, crowned and collared red, in reference to the arms of Freising, Germany.

Question: what are they?
Self-contained rewrite: what are the moors?