:Great Black-backed Gull:

Great Black-backed Gull 1st cycle, Tulsa Co, OK, 01_17_2022_Ra_012606.jpg	Great Black-backed Gull 1st cycle, Tulsa Co, OK, 01_17_2022_Ra_012599.jpg	Great Black-backed Gull 1st cycle, Tulsa Co, OK, 01_17_2022_Ra_012598.jpg	Greater Black-backed Gull 1st cycle & Ring-billed Gull, Canadian Co, OK, 3-15-21, Ja_72057.jpg
Greater Black-backed Gull 1st cycle, Canadian Co, OK, 3-15-21, Ja_72074.jpg	Greater Black-backed Gull 1st cycle, Canadian Co, OK, 3-15-21, Ja_72070.jpg	Greater Black-backed Gull 1st cycle, Canadian Co, OK, 3-15-21, Ja_72043.jpg	Greater Black-backed Gull 1st cycle, Canadian Co, OK, 3-15-21, Ja_72024.jpg
Greater Black-backed Gull 1st cycle, Canadian Co, OK, 3-15-21, Ja_72021.jpg	Great Blackback Gull, Cutler, ME, 7-11-15, Jpa_0749.JPG	Greater Black-backed Gulls, Cutler, ME, 7-12-15, Jpa_1892.jpg	Greater Black-backed Gull, Cutler, ME, 7-12-15, Jpas_2597.jpg
Greater Black-backed Gull, Cutler, ME, 7-12-15, Jpa_1699.jpg	Great Black-backed Gull, Cutler, ME, 7-11-15, Jpa_0733.JPG	Great Black-backed Gull, Cutler, ME, 7-11-15, Jpa_0711.JPG	Great Black-backed Gull, Cutler, ME, 7-11-15, Jpa_0710.jpg
Great Black-backed Gull, Cutler, ME, 7-11-15, Jpa_0707.JPG	Great Black-backed Gull, Cutler, ME, 7-11-15, Jpa_0633.JPG	Greater Black-backed Gull juvenile, Cutler, ME, 7-12-15, Jpa_1894.jpg	Great Black-backed Gull 3rd cycle, Cutler, ME, 7-11-15, Jpa_0682.JPG
Great Black-backed & Herring Gulls, Cutler, ME, 7-11-15, Jpa_0729.JPG	Great Black-backed Gull 1st cycle, Tulsa Co, OK, 2-25-15, Jp_23045.jpg	Great Black-backed Gull 1st cycle, Tulsa Co, OK, 2-25-15, Jp_23043.jpg	Great Black-backed Gull, First-cycle individual or possibly second-cycle, Kaw Lake, Kay Co, OK, 2-27-14, Jsp__06450.jpg
Great Black-backed Gull, First-cycle individual or possibly second-cycle, Kaw Lake, Kay Co, OK, 2-27-14, Jsp5_06381.JPG	Great Black-backed Gull, First-cycle individual or possibly second-cycle, Kaw Lake, Kay Co, OK, 2-27-14, Jsp5_06378.jpg