Two Asian common toad couples mating in Karnataka, India. The yellow toads pictured are male and the brown toads are female. Susanne Stückler As the first monsoon rains in India and southeast Asia ...

Every year, thousands of common toads, frogs and newts awaken from their winter hibernation and make the perilous journey back to their ancestral breeding ponds. On mild, damp evenings between January ...

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 ...