silvereye. feel like i'm seeing a movie star on the street. just around the bend, right next to a big kiddy cuddle pile is ma di tau. they're the most muscular lions in africa, and each one has a soul and a personality. >>ism think too often people see lions as these ferocious beasts. where here, they realize that they, too, have struggles. >> reporter: the story of a working mother. >> it truly is. >> reporter: and every story they tell, every image they capture is an effort to create a global uproar. because these are, quite literally, the last lions. when the jouberts were born, there were 450,000 of them in africa. now, they say there's as few as 20,000. and each year, other countries in africa sell 600 lion hunting permits. the vast majority to americans. >> we think that there -- these wild lions will be extinct in 10 or 15 years. >> reporter: really? hunting has been part of the human condition for thousands of years. do you think we can ever eliminate it entirely? when it comes to species like this? there is as going to be somebody who