CT DEP Says...
Pileated Woodpecker (Dryocopus pileatus)
Description: The pileated woodpecker is the largest woodpecker found in Connecticut (16-19 inches). It has a solid black back and a conspicuous red crest extending from its forehead to its nape. Males are larger than females and they have a red forehead, red crest, and scarlet mustache. Females have the red crest but a black forehead and black mustache.
More info at...
enature.com
CT.Gov.DEP