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 ...

A deadly toxin extracted from the skin of a South American “poison dart frog” had been ... who have learned to roast the frog on a spit and collect the toxic liquid they exude.

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 ...