ɐ vˈɛɹi dɪstˈɪŋɡwɪʃəbəl, ˈɪnsɛktlˈaɪk "tˈɪk təkˈiːt" nˈoʊt ɪz pɹədˈuːst baɪ ðə bˈɜːdz wɪð vˈɛɹiɪŋ spˈiːd, ænd ðə "kˈiːt" pˈoːɹʃən sˈaʊndɪŋ ɐkˈɪn tʊ ɐ bɹˈiːf wˈɪsəl; haʊˈɛvɚ ðeɪ ˈɔːlsoʊ mˌeɪk fɹˈɑːɡlˈaɪk kɹˈoʊks, jˈɛlps kəmpˈoʊzd ʌv "ɹˈuːɹˈiː wˈuː" nˈoʊts, ænd sˈɪmpəl "tˈiːks" ænd "tˈɑːks".
A very distinguishable, insect-like "tik to-keet" note is produced by the birds with varying speed, and the "keet" portion sounding akin to a brief whistle; however they also make frog-like croaks, yelps composed of "wroo-wree woo" notes, and simple "teeks" and "toks".