A “toadlet” in Brazil is the second-smallest vertebrate known to exist on the planet. By Sofia Quaglia At 6.95 tiny millimeters in length, this creature could fit on your fingertip. It is smaller than ...

The poison dart frog may be tiny, but it is one of the most toxic animals on Earth. Found in the rainforests of Central and South America, these brightly colored frogs carry powerful toxins in their ...

Red-legged frogs cross a busy Portland highway with help from the “Frog Taxi.” The resident reg-legged frogs that live in Portland’s Forest Park have a dangerous migration route to and from their ...