Want to learn more about frogs and amphibians and how they communicate? North Alabama Sierra Club welcomes Dr. George Cline- an expert in frog communication and amphibian ecology. George will inform and delight us with the help of these amazing animals. This is a good program for children and adults. Thursday, April 20, at 6 p.m., at the National Children’s Advocacy Center on Pratt Ave. Information by calling 256-337-9702.