Some creatures blend in by sticking out. Learn more about glass frogs and the special way they hide their blood.

The changes are often very subtle, and can range from green to brown ... One of the most common reasons why frogs change ...

The overachieving Wallace's flying frog wasn ... The black color of their foot webbing helps distinguish them from their similarly aerial cousins. They are generally bright green with yellow ...

Generally, the new species has a “grass green” hue with “some irregularly ... researchers said. Individual frogs also vary in color pattern. Thousands of new species are found each year.

Their neon-green bodies may play a similar role in ... hunters that use keen eyesight to find prey. The shocking colors of this frog may over-stimulate a predator's eyes, creating a confusing ...