Pig frogs live mostly in swamps throughout the southeastern U.S., the Bahamas and Puerto Rico. They look similar to American bullfrogs, and they’re in the same genus. Pig frogs are nocturnal and ...

But, 'pigs' remain largely ignorant about the rules ... valuations), represented by bubbles in water. In this scenario, frogs (investors) have grown oblivious to the overheated pond as their ...