"Listen closely to the sounds, often very loud, that frogs make without ever opening their mouths. Together they make a concert! Endnotes present facts and activities about these lively ... creatures"--Provided by publisher.
Crows are some of the smartest animals on the planet. They can remember people?s faces and warn each other of danger. Some crows even know how to use simple tools. These fascinating facts and more are waiting to be discovered by readers.