The prefrontal cortex of the Mexican free-tailed bat is more selective to communication calls than primary auditory cortex.
Macias S, Bakshi K, Troyer T, Smotherman M. The prefrontal cortex of the Mexican free-tailed bat is more selective to communication calls than primary auditory cortex. J Neurophysiol. 2022 09 01; 128(3):634-648.