Frogs have been around for a very long time. They first appeared when dinosaurs roamed the earth. Frogs can be found on every continent except Antarctica. They have learned how to survive in almost every climate, using all sorts of survival tricks. But why are so many frog species disappearing? Learn all about these creatures and how we can protect them in the future.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.