When it’s springtime in Yellowstone, Bighorn Sheep ewes band together, foraging and roaming the park, and waiting to give birth. The rams are far away. When we came across a large band of ewes on our last afternoon in the park, we were able to spend more than half and hour with them as they walked among the sage and ate grasses and spring flowers. With snow-flecked mountains in the background and sage in the foreground, a ewe paused from foraging and looked around, then went back to eating, undeterred by the cars and people watching from the edge of the road.