"They were sport gunners, too—a class spawned by wealth and leisure who carried their “sport” to tasteless Victorian excess. Both professional and the sport hunter approached the killing of “game” with zeal and the conviction that North America’s wildlife was infinite. The faith was ill-founded. Not only is a continent’s wildlife finite, but, to the shock of many, by the turn of the century much of it was gone and a lot more was going fast."