Synonyms for Redhead (same or very similar meaning)
WordNet sense 1 (someone who has red hair):
carrottop, redheader, red-headerWordNet sense 2 (North American diving duck with a grey-and-black body and reddish-brown head):
Aythya americanaWordNet sense 3 (black-and-white North American woodpecker having a red head and neck):
redheaded woodpecker, Melanerpes erythrocephalusFrom the ODE community, based on WordNetadd/edit