The Serra do Assuruá is in the north-central region of the Bahia state of Brazil, on the country’s east coast. The research ...

But big brains may be too costly to maintain when predation risk is high, forcing animals to use other strategies to survive, suggests a study on frog camouflage published Wednesday (August 17) in ...

Frogs are small and ... That's right: It's that vaguely duck-shaped rock. Ducks don't rely on camouflage a lot, but in this case, this duck family is perfectly attuned to its surroundings.

The frog hardly stood out — its brown back, orange belly and starlike spots acted as camouflage against the dark hues and water droplets on the forest floor. And at only 2 to 2.9 centimeters ...