Smithsonian Magazine

For Two Days Each Year, These Drab Brown Toads Turn a Dazzling Neon Yellow—and Scientists ...

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 ...
来自MSN

For Two Days Each Year, These Drab Brown Toads Turn a Dazzling Neon Yellow—and Scientists ...

Most of the year, male Asian common toads are a dull, muddy brown color. But when the first monsoon rains begin drenching their homes in India and southeast Asia, signaling the beginning of the frogs’ ...