A herring gull.
herring gull definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the common sea gull (Larus argentatus) of the Northern Hemisphere, having gray-and-white plumage and black-tipped wings
herring gull definition by American Heritage Dictionary
A common seagull (Larus argentatus) of the Northern Hemisphere having gray and white plumage with black wing tips.