NONBREEDING HEERMANN'S GULLS, OCEAN BEACH, SAN FRANCISCO, CALIFORNIA, 11/16/2017

   We can ID this gull as a Heermann's Gull by its red bill with black tip, grey head with streaks, mostly dark grey upperparts, black tail with white terminal band and black legs.
   Heermann's Gull is a new species to our Photographic Life List, which now stands at 771.