This morning (and into the early afternoon), Mary Clausen and I hiked the entire nine  mile loop around Zorinski Lk in Douglas Co. The best finding was a Black-legged Kittiwake (see below for the documentation) but there were a number of other notable sightings as well. In total, 45 species were seen including:
**= Gull sp. that was larger than the Franklin's Gulls but slightly smaller than the Ring-billed Gulls that it was flying with. The wing tips were entirely black (i.e. with no white mirrors) and the all yellow bill was shorter than that of the RB'd and Franklin's Gulls. The Gull had a black ear 'smudge' and exhibited a more buoyant flight than did the FrGu's or the RBGu that were in proximity. The leg color could not be seen as the bird remained in flight over the Lk for the entire time (several minutes) that it was being observed before flying off over the Lk.