Most animals have a defense mechanism, and it’s nature’s way of encouraging the species’ survival. Some include physical ...

From the brightly colored golden poison dart frog that secretes a lethal neurotoxin to the Cookie Monster-lookalike fish that ...

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 ...

But don't get down on yourself for not being as cute as a poison dart frog or as stunning as an Arctic fox. There are reasons why these critters are so gorgeous — most have to do with evolution.

Many species of frog are known to be poisonous, such as the often colourful poison dart frogs. But although incredibly rare, there are species that are venomous too. There are currently only two ...

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 ...