It was another big night for migrants here in the Southern Plains. I found dead Clay-colored Sparrows at the northeastern and southwestern alcoves, and a trapped Grasshopper Sparrow at the northwestern alcove.
Clay-colored Sparrow #1 was heavy with fat (=3) and looks to be a HY bird.
Clay-colored #2 had a fat score of 2, and some tiny red ants had colonized it by the time I found it. I left that one in place to check the removal rate.
The Grasshopper Sparrow was trying desperately to fly east from the northwestern to the northeastern alcove. It was really wearing itself out. Thankfully, it was easy to point in the right direction, and it flew well away from the building.
Bird-Window Collisions at OK State 
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