Their dawn song consists of a series of " chit " notes, accelerating to higher-pitched " chit-it " s and often accelerating further but descending in pitch again to fade out in a churring trill " trrrrrrrr . . . ".
12.
"Aphelocoma " jays are quite vocal and have a huge range of sounds and calls; common calls include a " cheek, cheek, cheek " and a guttural churring " krr'r'r'r'r " . " Aphelocoma " jays are also, like all other jays, often quite aggressive, and antagonistic at feeding areas, and sometimes regarded as a nuisance.