The Crown City Wildlife Area is an that contains large populations of grasslands birds, including Henslow’s Sparrows.
It contains large populations of grassland birds. Of particular interest are the populations of Henslow’s Sparrow.
Most of the area has been subjected to surface mining in the past. The reclamation process after mining has led to large patches of grassland habitats. These patches hold large numbers of breeding grassland birds. Shrub encroachment, particularly the invasive Autumn Olive, is starting to reduce habitat quality for grassland birds.