Great Black-Headed Gull
"Larus ichthyaetus, the Great Black-headed Gull, ranging from the Black Sea and the Levant to Tibet, and wintering in Southern Asia, has the bill almost orange." A. H. Evans, 1900. The adults have a black hood, grey wings and back, and white wing tips.
Evans, A. H. Birds (New York, NY: The Macmillan Company, 1900)