Some animals have developed mind-blowing survival strategies, freezing solid in extreme cold and coming back to life when temperatures rise. From frogs to fish, these creatures have mastered nature’s ...

According to one app for nature observers, it's the most commonly seen creature in California: the western fence lizard. Why?

The metallic poison frog, active during daytime hours, has a long-lasting trill, or call, of 21–45 notes. While perched on leaves, the males begin calling out at dawn and vocalize for several hours ...