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 ...

Some species are harmless whilst others – particularly the vibrantly colored poison dart frogs ... recently rediscovered a frog species that hasn’t been spotted in the wild in over 130 ...

They were poison dart frogs, and they were unlike any others ... The species is described as having a jet black body with parallel metallic stripes ranging from light turquoise to pale yellowish ...