I can't seem to clean up the noisy background anymore and yes, the perch leave a lot to be desired. That said, I've never been so close to one of these busy birds so I couldn't resist the shot. I'm happy to have finally gotten a shot displaying the detail of a Barn Swallow.
D500
Nikkor 200-500mm f/5.6e VR @ 500mm
1/320
f/5.6
ISO-800
Matrix Metering
Cleveland, Ohio
May 2017
Warm, 100% overcast two hours after sunrise.