Many of the animals that eat red-eyed tree frogs ... throughout Central America, and in northern South America. Nocturnal carnivores, they hide in the rain forest canopy and ambush crickets ...

South America, and Asia. Bullfrogs are typically green or gray-brown with brown spots and have easily identifiable circular eardrums, or tympanum, on either side of their heads. Nocturnal ...

Native to the forests and tropical lowlands of Central and South America, this nocturnal bird can grow ... making it nearly undetectable by other animals. By day, great potoos remain silent ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...