Mini creatures with mighty voices know their audience and focus on a single frequency
- Written by Bernard Lohr, Associate Professor of Biological Sciences, University of Maryland, Baltimore County
The coquí frog, *Eleutherodactylus coqui*, is loud enough to wake people at night.Éktor/flickr, CC BY-NC-NDIn the cloud forests of South America, amid the constant cacophony of bird and insect noise, a deafening blare pierces through the background from time to time. Belonging to the loudest known bird, the white bellbird, Procnias...





