Over the course of the history of life on Earth, animals have developed all kinds of unique and bizarre defense mechanisms. But the line between "poisonous" and "venomous" is often the most ...

The green-eyed tree frog has adapted its appearance to blend in with the moss-covered rain forests of Queensland, Australia. The frogs' coloration and markings vary with their specific habitat ...

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 ...