One of the iconic sounds of early spring in Canada is the sound of frogs and toads. You can hear them in rivers, lakes, ponds — just about anywhere where there is water. Not long after the spring thaw they emerge. What drives them to be so loud, intense, and persistent? To expend so much energy?
We thought it was time to take a closer look.
(Video was produced as a blog post at perfectdayfactory.com/trill-of-a-lifetime/ )