Fish and Wildlife Service said . NEW : It 's the first time the U.S. has offered such a reward , John Kerry says . NEW : In addition to the reward , Colorado wildlife officials destroyed six tons of elephant ivory . NEW : The Obama administration is also offering up to $5 million in rewards for information leading to the arrest and conviction of those responsible for poaching elephants or rhino horn. Profits from wildlife trafficking are between $ 8 billion to $ 10 billion a year .
NEW : It 's the first time the U.S. has offered such a reward , John Kerry says . NEW : In addition to the reward , Colorado wildlife officials destroyed six tons of elephant ivory . NEW : The Obama administration is also offering up to $5 million in rewards for information leading to the arrest and conviction of those responsible for poaching elephants or rhino horn. Profits from wildlife trafficking are between $ 8 billion to $ 10 billion a year .