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 ...

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 ...

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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 ...