Britain's Prince Charles (C) and his son Prince William greet a customs officer and her search dog during a conference on the illegal wildlife trade at Clarence House in central London May 21, 2013. The princes lent their support to efforts to eradicate the trade in items made from highly endangered animals. REUTERS/Andrew Winning (BRITAIN - Tags: ROYALS ENVIRONMENT CRIME LAW SOCIETY ENTERTAINMENT ANIMALS)
Britain's Prince Charles (C) and his son Prince William greet a customs officer and her search dog during a conference on the illegal wildlife trade at Clarence House in central London May 21, 2013. The princes lent their support to efforts to eradicate the trade in items made from highly endangered animals. REUTERS/Andrew Winning (BRITAIN - Tags: ROYALS ENVIRONMENT CRIME LAW SOCIETY ENTERTAINMENT ANIMALS)