This Tiny Frog Emits a Powerful Ultrasonic Scream No Human Can Hear <img width="128" height="52" src="https://www.sciencealert.com/images/2024/04/TinyBrazilFrogAgainstBlack.jpg" alt="Tiny Brazil Frog Against Black"/> We've finally confirmed it. https://www.sciencealert.com/this-tiny-frog-emits-a-powerful-ultrasonic-scream-no-human-can-hear