I never saw an eagle flying through the sky until well into my adulthood. They were rare in the continental US, and then the pesticide DDT was banned and eagles began to increase in number. They are now plentiful in many areas. In Illinois during the cold winter months, one can see dozens by the lock and dams of the Mississippi River. I saw this eagle near Starved Rock State Park on the Illinois River. I used my trusty old Sigma lens (did I mention that I'm buying the new Tamron 150-600 zoom?).  One of the few photo competitions that I entered, I won with an eagle photo (not this one). That's another story.

This photo started with the eagle shot at f/7.1, 1/1250, 400 iso, 400mm lens, cropped slightly and combined with sky image.

Maybe I like it better without the combined image. Also, you can't always believe what you see. I did take both photos at about the same angle in the sky, and I have other eagle photos with the moon in it from the same day. So not as dramatic a creation as one might imagine it could be.