As a general rule of thumb, most of the world’s wild animals keep their instinctual mating practices within their own species bubble. But if you’re a female plains spadefoot toad, then you just might ...

Scientists have long thought that when two animals from two different species mate, it’s a colossal error and the end of the road for the mismatched couple. It’s ...

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For male Santa Marta harlequin toads, sex is an exercise in patience. The ping-pong-ball-size frogs, which are native to a mountainous strip in northern Colombia, spend most of their days milling ...

Endangered species, Anaxyrus houstonensis, commonly known as the Houston toad, sit in containers, Wednesday, April, 13, at the Dallas Zoo in Dallas, Texas. The species have been on the endangered list ...

A species of endangered toad endemic to Colombia’s Sierra Nevada de Santa Marta mountains is clinging on for dear life. The tiny Santa Marta harlequin toad (Atelopus laetissimus), which is just 4 ...

Guttural toads on islands in the Indian Ocean have shrunken limbs and bodies that may be evidence that “island dwarfism” can evolve quickly, Jake Buehler reported in “Toads on two islands are ...

Scientists can’t predict earthquakes. But toads might be able to. In the spring of 2009, Rachel Grant, a doctoral candidate in life sciences at London’s Open University, was studying a population of ...