Herring Gull (Larus argentatus) August 3, 2020 2560 × 1829 Herring Gull (Larus argentatus) Herring Gull (Larus argentatus), July, 2019, Napeague. Year-round. IN STEEP DECLINE. July, 2019. Napeague, New York. Year-round. IN STEEP DECLINE.