This undated photo provided by the U.S. Department of Agriculture Wildlife Services shows a corn field trampled by feral pigs. The agency has teamed up with the state of New Mexico and

 

              This undated photo provided by the U.S. Department of Agriculture Wildlife Services shows a corn field trampled by feral pigs. The agency has teamed up with the state of New Mexico and
This undated photo provided by the U.S. Department of Agriculture Wildlife Services shows a corn field trampled by feral pigs. The agency has teamed up with the state of New Mexico and others as part of a $1 million pilot project to eradicate the pigs from New Mexico. Nationally, federal officials say the feral pig population has ballooned to an estimated 5 million. (AP Photo/Courtesy of the U.S. Department of Agriculture Wildlife Services)