City Frog and Country Frog

A calling male túngara frog with a large inflated vocal sac.
Credit: Adam Dunn

A new study reports that city frogs sing more complex and attractive songs than their country cousins. Urban frogs can get away with producing more conspicuous mating calls, which are preferred by female frogs, because they have fewer predators and parasites eavesdropping than frogs living in forests.

Read more about the study at my Animal Minds blog: Urban Frogs Have Sexier Calls.