"At the beginning of the 20th century, America’s once numerous game birds, mammals, and fish were largely depleted. In the 1930s this situation started to change. The game species and fish rebounded as hunting and fishing harvests were better regulated, wildlife areas were created, habitat actively managed and wildlife populations were augmented or restored with transplanted animals. Much of these efforts were first funded by sportsmen through hunting and fishing licenses and later by excise taxes placed on hunting and fishing equipment under the Pittman-Robertson Act and later the Wallop-Breaux/Dingell Johnson Acts. But despite these successes, many other species continue to decline, as evidenced by a staggering more than 1000 species listed under the federal Endangered Species Act.... see more "