Here's a photo I took on the way to work a few weeks ago.  I was trying to feed the ducks that hang out near my office some really yummy but slightly hard bread and they were all "hey stop throwing rocks at us!" and quackingly flew away.  The seagulls were smarter though: in only moments dozens charged from over the horizon to hook into the feast.  Here's one hungry scavenger, the photo ineverted and cropped so that only reflections are seen: