Niokolo-Koba National Park, Senegal — The squeals of a warthog blast from loudspeakers and echo through the trees as Kris Everatt tries to lure in a lion to be darted and radio-collared. He pauses the ...

To trace wildlife parts to their source populations, researchers at the University of Illinois Urbana-Champaign developed a web tool, the Lion Localizer, which uses DNA testing to pinpoint the ...