Ever flushed a toilet in the Australian outback and seen a frog staring back at you? These so-called “dunny frogs”—famous for their habit of hiding in toilets, showers, and water tanks—have long been ...

The calling animal turned out to be a new species. A team of researchers set out to study the hourglass tree frog, a “small, brightly colored species” found in Central and South America.

A team of researchers set out to study a supposedly widespread species of tree frog known as Litoria revelata. For years, these frogs had been a puzzle for scientists because they lived in three ...

In the gardens and parks of Toyota City, Japan, a small creature turned out to be a new species. Getty Images/iStockphoto To many across the islands of Japan, small tree frogs, or amagaeru ...