A contributing photographer for National Geographic Magazine since 1991, Nebraskan Joel Sartore's articles have covered endangered species, America's wildlife refuges, U.S. federal lands, and features on several states. His work has also appeared in Audubon, Life, Newsweek, Sports Illustrated, and T...

A contributing photographer for National Geographic Magazine since 1991, Nebraskan Joel Sartore's articles have covered endangered species, America's wildlife refuges, U.S. federal lands, and features on several states. His work has also appeared in Audubon, Life, Newsweek, Sports Illustrated, and Time. Sartore is a cofounder of the Conservation Alliance of the Great Plains and the coauthor (with Douglas Chadwick) of The Company We Keep: America's Endangered Species. For more information about his work, visit his Web site at http: //www.joelsartore.com/