Typical signs of spring include budding trees, a colorful assortment of flowers, tweeting birds and the cacophony of singing frogs. The warmer weather is enough to inspire anyone to sing with joy, but ...

So, why do frogs sing? One of the most important reasons is for advertising. They are looking for a mate. Their song says "I'm here, I'm handsome, beautiful and available. Come on over, the water's ...

We humans have come up with some poetic collective nouns for animals. A murder of crows. A parliament of owls. Even a shrewdness of apes (now also the name of a band). So it seems we missed the ...