This book is a simple account of the natural history of Saguaro National Monument. It is intended to help you understand the relationships between land, climate, plants, wild animals, and man in the environment of a hot desert. While it includes brief profiles of many representative species, it is not intended to serve as a guide to the monument. It does indicate where the several distinctive natural communities exist, and when and where to look for certain plants and animals. For identification purposes, you will need field guides. The present edition is my revision of the 1957 book by Natt Dodge, then naturalist for the Southwest Region of the National Park Service. The first five and the last two chapters are essentially new; the central chapters on plants and animals remain largely as written in the first edition. The authors wish to thank former and present members of the monument staff for their help and companionship, in both field and office. We are particularly grateful to Chief Naturalist Harold T. Coss, Jr., who devoted much time and effort to obtaining many of the photographs and, with Park Biologist Warren F. Steenbergh, gave the manuscript a thorough scrutiny. The cooperation and hospitality of Superintendent Harold R. Jones have created the best possible climate for work on the revised edition. National Park Service geologist Robert H. Rose contributed in very great measure to the geological content. Finally, our thanks go to the many students of desert life on whose knowledge this book has been built, and to monument visitors who ask questions—for their concern gives hope for better relations between man and nature. —N.S.

The official handbook for Saguaro National Park details the complex ecology of the park, presenting a thorough analysis of the saguaro cactus and the other plants and animals within its environment.

The official handbook for Saguaro National Park details the complex ecology of the park, presenting a thorough analysis of the saguaro cactus and the other plants and animals within its environment.

Introduces visitors to this Sonoran Desert preserve in southern Arizona, where diverse plant and animal communities thrive in a challenging land of little rain and torrid summers. Photos by George H. H. Huey, C. Allan Morgan, Edward McCain, and others.

The Organic Act of 1916 created the National Park Service "to conserve the scenery and the natural and historic objects and wildlife therein, and to provide for the enjoyment of the same in such manner and by such means as will leave them unimpaired for the enjoyment of future generations." Each national park or monument offers a glimpse into the natural beauty and history of the United States. These parks have a variety of natural resources covering large areas and are protected by the American Antiquities Act of 1906. Saguaro National Park is home to its namesake giant saguaro cacti, barrel cacti, cholla cacti, and prickly pears, as well as quail, spotted owls, javelinas, and a host of other flora and fauna. Saguaro National Monument was created by outgoing president Herbert Hoover in 1933. On October 14, 1994, Pres. William Jefferson Clinton signed legislation enlarging Saguaro's boundaries and making Saguaro National Park America's 52nd national park.