Identificaciones de madisong

When surveying the building, we saw this grackle sitting against the glass, we thought maybe it was stunned. We waited then walked closer, when it took off further down the sidewalk, flying kind of lopsided and leaning towards the glass where it then hit the glass wall shown here in the 3rd photo. From there it corrected itself and flew the opposite direction outwards away from the building. Stunned spotted & flew away observation.