Missed photo op

Yesterday on the way into the office I passed a photogenic scene, but unfortunately I was unable to get a shot. A pidgeon was eating morsels of vomit from a fresh deposit a street person had made on the sidewalk. Every time I approached to take the shot, the pidgeon became skittish and hurried away, only to return as soon as I gave it some personal space. Thinking that a photo of the vomit without the pidgeon would lack artistic merit, I let the opportunity pass.