Cows bite back: Cattle ear tag proves lethal to NM wolf

In a story some supporters of Western wolf reintroduction may find hard to swallow, the U.S. Fish and Wildlife Service is reporting a federally protected Mexican gray wolf found dead in Southwestern New Mexico in October likely died of an intestinal rupture caused by a plastic ear tag commonly used on grazing cattle in the region...The Outdoor Press Room

The AP story is here.