To eliminate all the elusive invasive goats in the Galapagos…

goat-skullTo eliminate all the elusive invasive goats in the Galapagos, researchers attached a radio-collar to a ‘Judas goat’ who would, because of its gregarious nature, seek out other goats. It was then tracked down, the group killed, but with the ‘traitor’ left alive in order to find more goats.