Program to kill Grand Canyon bison nets 4 animals, criticism

A bison looks out as wildlife biologists Miranda Terwilliger and Skye Salganek put a tracking collar on the animal at the North Rim of Grand Canyon National Park Aug. 30. (Lauren Cisneros/Grand Canyon National Park via AP)

A bison looks out as wildlife biologists Miranda Terwilliger and Skye Salganek put a tracking collar on the animal at the North Rim of Grand Canyon National Park Aug. 30. (Lauren Cisneros/Grand Canyon National Park via AP)

FLAGSTAFF, Ariz. (AP) — Day three and the shooters were waiting under the cover of pine trees for the rain to let up. Thirty minutes later, a single branch snapped, revealing a small herd of bison in the distance...