In Idaho's rugged ranch country, a young calf killed by predators is every rancher's worst nightmare. For veteran biologist Rick Williamson, it's the beginning of a wildlife version of "CSI."
"There's a blood trail through here," Williamson observed. "We need to have the evidence to suggest what happened to this calf."
Wolves have been spotted in the region, but so have coyotes, bears and mountain lions. As part of his investigation, Williamson conducts a necropsy — an animal autopsy — right...Full Story