The American toad is one of the most well-known toad species throughout North America. Its notable warts and big, round eyes differentiate it from other species, but its call is also unique. You might ...

For two days at the start of monsoon season on the Indian subcontinent, male Asian common toads (right) turn bright yellow, while females (left) stay brown. Stückler et al. / Ichthyology & Herpetology ...

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 ...