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 ...

I took this photo June 18 while on a short hike around a local lake. A young girl had noticed several tiny "frogs" hopping on the damp shaded ground. In a short time she caught one and showed it to me ...

The color change, driven by hormones, seems aimed at preventing males from accidentally mating with each other. Two Asian common toad couples mating in Karnataka, India. The yellow toads pictured are ...