YELLOWSTONE 123's starts and ends with birthday celebrations...enjoy the cupcakes! A fantastic counting book using everything in Yellowstone to count from 1 to 15. Yellowstone National Park's birthday is on March ONE...this is where it all begins. You'll be counting frogs, snakes, a pack of wolves, animal footprints, and more! End by celebrating a bisons FIFTEENTH birthday! You do not want to miss the opportunity to count in Yellowstone National Park with Baby Ranger.