As frogs evolved, they developed a retractor globis muscle behind their eyes. Because there is no bony structure between the eye and the esophagus (food pipe), this muscle can pull the eyes into their ...

Cane toads swallow prey using a complex pulley system of cartilage and muscle that travels so far down their throat, it butts up against their heart. The authors used X-ray videography to study the ...

Frog eyes are distinctive, unique, and fascinating. They are huge, globular, and positioned atop their heads. We know that their eyesight is good, and thanks to their eye placement, frogs have ...