Most frogs defend themselves with toxins that sit passively in their skin, but only two species are known to go a step further and actively inject venom into anything that grabs them. These little ...

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 ...

Yes, there are some very poisonous frogs in the world. But it turns out researchers had no idea how scary some of these frogs were until recently when they discovered frogs that can deliver venom to ...

In the communities of western Colombia, small pockets of trees are fragmented between the houses. The areas create tiny ecosystems, but even these have been polluted by human garbage and waste. The ...

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 ...

World Frog Day 2026 highlights how frogs support ecosystems and why their decline signals environmental problems.