Here are 8 animals that lack visible external ears. Snakes do not have external ears but possess internal ear structures that allow them to sense vibrations. Like snakes, lizards lack external ears ...

Scientists have finally managed to record the ear-piercing screams that a frog in the Amazon rainforest makes to defend against predators. It’s the first reported case of the use of ultrasound ...

"Kero-kero"? That has a cute ring to it, but to my English ears, I hear "ribbit." Ask a Pole, and they will say that they hear frogs saying "kum kum," Germans "kwaak," Italians "cra cra," Chinese ...