Colorado built a wildlife overpass across a busy highway; a new report says animal-vehicle collisions fell by 91% as elk, bears and frogs began using the crossing
For wildlife, a busy highway can be more than an obstacle. It can separate feeding grounds, disrupt seasonal migrations and turn an ordinary journey into a deadly gamble. In Colorado, a new network of wildlife crossings is helping change that equation, with officials reporting a sharp decline in collisions along a heavily travelled stretch of…