Comments:  According to Boyle, the Red-headed Woodpecker "an uncommon migrant, mainly along the coast in fall; rare winter resident and rare, but increasing, summer resident."  In Northern New Jersey breeding colonies are located in the Great Swamp and Stokes State Forest. Boyle, A Guide to Bird Finding in New Jersey.

Stokes describes this song as "a loud 'kweeer."  Drums softly in short bursts.  Stokes attributes decline in population stemming from woodlands being cut down and competition with starlings for nest sites.

Robbins:  call is a raucous "kwrrk".   

Peterson:  describes this call as "a loud 'querr' or 'queeoh', louder and higher-pitched than 'churr' of Red-belly." 

Bittner:  

Patuxent:  no sound recording or description given.