When observed by the scientists, the animals were paired up, suggesting that they are monogamous, which is extremely unusual ...

Sky blue, ocean blue, blueberries, my eyes! Despite seeing blue all around us, blue is actually the least common color in ...

The researchers discovered something curious about the tiny, shiny frogs’ behavior, too: they appear to be monogamous. The ...

The metallic poison frog, active during daytime hours, has a long-lasting trill, or call, of 21–45 notes. While perched on ...

They were poison dart frogs, and they were unlike any others the expedition team had seen before. Jet back with metallic turquoise-green stripes and orange “chrome” limbs, these frogs were ...