They may look tiny and colorful, but these frogs are among the most dangerous creatures on the planet. With toxins that can ...

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 ...

The hundreds of species of poisonous frogs living in Central and South America, for example, have gained international ...

One example is a group called the ‘poison dart’ frogs - so called as indigenous rainforest people once used the poison on the end of their blowdarts. The most dangerous frog of all – the ...

Amphibians resist their own chemical defenses with amino acid modifications in the sequence for a target receptor. A series of rodent experiments showed that even with abundant food and water, ...

This story appears in the March 2017 issue of National Geographic magazine. These frogs put the “group” in “group sex”—and that helps them thrive. Of all vertebrates, gray foam-nest tree ...