There is a secret world within New York City, a universe of creatures great and small living side-by-side with the Big Apple’s Homo sapiens. The five boroughs sit atop one of the most naturally rich sites in North America, directly under the Atlantic migratory flyway, at the mouth of a 300-mile-long river, and on three islands - Manhattan, Staten, and Long. New York just might be the most biologically diverse city in temperate America. slie Day, a New York City naturalist, reveals this amazing world in her Field Guide to the Natural World of New York City . Combining the stunning paintings of Mark A. Klingler with a variety of photographs and maps, this book is both beautiful and informative. Conveniently divided into sections for animals, plants, mushrooms, and geology, this is a complete guide for the urban naturalist - from tips on identifying the city’s flora and fauna to maps showing the nearest subway stop. Here is your personal guide to the real wild side of America’s largest city. Throw it in your backpack, hop on the subway, and explore.