A new species of poison dart frog has been discovered in the heart of the Brazilian Amazon, where dense rainforests host some of the most diverse and complex ecosystems on Earth. In a study published ...

In the forests of western Brazil, along the banks of a Juruá River tributary, researchers came upon more than a dozen tiny creatures, smaller than a nickel, flaunting bright colors that warned: “stay ...

The 10 snakes faced a tough predicament. Collected from the Colombian Amazon, they had been without food for several days in captivity and then were presented with extremely unappetizing prey: ...

Poison? What poison? Some bacteria may treat the powerful toxins bathing poison dart frog skin like a buffet. The alkaloid chemicals that poison dart frogs wield on their skin increase the variety of ...