ow.ly/s9I9T (To listen to the call of the horned lark go to this link)
Horned larks are seen in Ohio each year about this time. They prefer barren agricultural fields and feed on weed seeds. Take a look at their behavior in this video and see if you have seen them.
Cornell Lab of Ornithology
http://www.allaboutbirds.org/guide/horned_lark/id