Researchers have identified a new species of poison-dart frog, Ranitomeya hwata, in the remote bamboo-forest of Alto Purus National Park located in eastern Peru. This newly discovered amphibian is the ...

This newly discovered poison frog may represent an evolutionary step on the pathway towards developing brilliant warning coloration associated with other poison dart frogs. A small reddish-brown frog ...

They shine in vibrant red, rich blue, or bright green—and with spots, stripes, or patches, they resemble small works of art by nature. But what appears so striking holds a surprising detail: The ...