When you can't find the icons of Yellowstone there are always birds to see and photograph. This nest was conveniently located across from a pull out allowing eye to eye viewing of the nest. A vole was being dissected on the cliff behind us and the chicks were being fed over a couple hours one morning. I watched until one of the adults settled in after the feeding session.
Technical: Tight shots were recorded using a 600 mm lens and 1.4 tele-extender on a Canon 7D with an effective focal length of about 1350 mm. Shots are uncropped.