This is a comprehensive guide to the natural history of New York state, with more than 300 full-color photographs, maps and illustrations. Everything from bears and beavers to snakes and spiders is covered. Learn about the state's geology, its rivers and mountains. Find out how it was formed by the ice age and the collision of continents. Learn about the first human residents. There are checklists of common birds, trees, wildflowers and butterflies. There is also a calendar showing when events in nature happen through the months in New York state.