Keywords: bird, birds, burn, burning, drop, ecology, exclusion, fire, fires, flame, flames, grassland, grasslands, great plains, highway, highways, line, management, midwest, national wildlife refuge, nebraska, periodic, plains, plan, planned, prairie, prescribe, prescribes, reduce, reduced, refuge, restoration, restore, sandhills, smoke, spring, staff, suppression, trafficm, valentine, vegetation, visibility, vision, waterfowl, west, wetland, wildfire, wildfires