narrator: today on "earth focus," kikilling elepephants fr ivory y fuels crime, corruption, and terrorism. coming up p on "earth focus." narrator: for more than two million years, wild elephants have been living in the savannas and forests of africa. they were once plentiful, as many as five million on the continent back in the 1940s. african elephants are the largest land animals on earth and one of the most intelligent. their brain is similar to humans in structure and complexity. they feel emotions like grief and joy. they learn, play, display compassionon andltruruism. some experts say they even have a sense of humor. their primary predator is man, and because of man, they may soon be extinct. thornton: no one really even knows how many elephants are left in africa. some p people think k it may bes few as 300,000 animals, so we might bebe losing 1/6 of t the contininental populatition of africa's elelephants every year. peters: in many countries in africaca, the elephant i is alry ecologically extinctct. unshots, elephantrumpets narrator: every 20 minutes, an elephant is killeded for