Bonaparte’s Gull, Sanibel, Florida (Bonaparte’s Gulls)

Ring-Necked Gull, Ithaca, New York (Ring-Necked Gulls)

Black-Backed Gull Chased by Black Skimmer, Nickerson Beach, Long Island, New York (Black Skimmers, Black-Backed Gulls)

Ring-Billed Gull, Sanibel, Florida (Ring-Billed Gulls)