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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A new species of poison dart frog has been discovered in the heart of ...

Poison frogs living just a few miles apart along a Colombian river sound nothing alike, and the reason goes far beyond body ...

Some harlequin frogs have lost their poison—and their ability to defend themselves. Scientists are on the case.

A researcher from Colombia has been looking a how Phyllobates (a genus of poison dart frogs native to Central and South America) can avoid poisoning themselves. A 2010 analysis found that more than 63 ...

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 ...

Authorities in Colombia seized 130 poisonous frogs being trafficked through the Bogota airport on Monday and arrested the Brazilian woman carrying them. The woman was transporting the colorful ...

If you thought the Amazon Rainforest is only about venomous snakes, giant anacondas, jaguars, and caimans, this one’s for you ...

Florida is often called the state with the most invasive animals, and a few of those are frogs and toads that have settled into its warm climate. With its abundant wetlands, forests, rivers, and ...

A Brazilian woman was arrested at an airport in Bogota, Colombia, on Monday for attempting to smuggle 130 poisonous dart frogs out of the country, officials said. The woman was flying out of El Dorado ...

A woman who police say tried to smuggle 137 tiny poisonous frogs worth about $130,000 into Brazil has been taken into custody at an airport in Bogotá, Colombia. The 37-year-old Brazilian woman, whose ...