Trophy hunting is not new in fact, many countries have tried to tie it economically to their conservation efforts. The death in 2015 of Cecil the lion in Zimbabwe by an American recreational hunter triggered waves of international outrage. The findings, published in Biology Letters, offer an evolutionary hypothesis for why humans kill animals they don’t need for sustenance - and hint at a possible tactic for discouraging that behavior. The cost, according to a trio of scientists, is exactly the point: These pricey big-game hunts are meant to show off men’s high social status to competitors and potential mates. Why do some humans engage in expensive ventures to hunt lions, elephants and other big-game species that often are endangered or otherwise threatened?
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