There are about 200 varieties of poison dart frogs around the world, sporting bright colors such as red, blue and yellow. In fact, their colorful appearance serves as a warning to predators that ...

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 ...

But whether you are mad about them or run a mile when you see them, frogs are a vital part of our natural world. And they are in trouble. According to the IUCN Red List, 41% of amphibians are ...

Curare [kyoo-RAW-ree], for example, is found on the skin of colorful poison dart frogs. Another special feature of most amphibians is their egg-larva-adult life cycle. The larvae are aquatic and ...