 Presumed GLAUCOUS-WINGED X WESTERN GULL, 1st cycle |
 presumed GW x WEGU, 3rd cycle |
 Glaucous-winged x Western Gull, 2nd cycle |
 probable GW x WEGU, basic adult |
 probable GW x WEGU (left) with THGU (right), both basic adults |
 Presumed GW x WEGU, 1st cycle |
 Probable GW x WEGU, 3rd cycle, leucistic |
 Western Gull (left) with GW x WEGU, both basic adults |
 Glaucous-winged x Western Gull hybrid, basic adult |
 presumed GW x WEGU, basic adult |
 Presumed GW x WEGU, basic adult |
 presumed GW x WEGU, basic adult |
 Presumed GW x WEGU, 1st cycle |
 Glaucous-winged x Western Gull, 3rd cycle |
 Glaucous-winged x Western Gull, 2nd cycle |
 Presumed GW X WEGU, 1st cycle (1 of 2) |
 Presumed GW X WEGU (2 of 2) |
 Presumed GW x WEGU, 2nd cycle |
 Glaucous-winged x Western Gull, 1st cycle |
 GW x HERG, 1st cycle |
 GW x HERG, possible F2 hybrid, 2nd cycle (1 of 2) |
 GW x HERG, posible F2 hybrid, 2nd cycle (2 of 2) |
 Glaucous-winged x Western Gull, cy 2 |
 Glaucous-winged x Western Gull, cy 1 |
 Glaucous-winged x Western Gull hybrid, 2nd cycle |
 Glaucous-winged x Western Gull, adult cycle |
 Glaucous-winged x Western Gull. Pre Basic adult |
 Glaucous-winged x Western Gull hybrid, 2nd cycle |
 Glaucous-winged x Western Gull hybrid, 2nd cycle |
 Glaucous-winged x Western Gull hybrid, 2nd cycle |
 Glaucous-winged x Western Gull, 1st cycle |
 Glaucous-winged x Western Gull, 1st cycle |
 Poss Glaucous-winged x Western Gull, 1st cycle |
 Glaucous-winged x Western Gull, 1st cycle |
 presumed Glaucous-winged x Western Gull hybrid, 2nd cycle |
 Glaucous-winged x Western Gull, 3rd cycle |
 GW x WEGU, basic adult |
 GW x WEGU, presumed 3rd cycle |
 Glaucous-winged x Western Gull, 3rd cycle |
 Glaucous-winged x Herring Gull, prealternate adult (1 of 2) |
 Glaucous-winged x Herring Gull, prealternate adult (2 of 2) |
 Glaucous-winged x Western Gull hybrid, 2nd cycle |
 Glaucous-winged x Western Gull, adult |
 Glaucous-winged x Western Gull, cycle 2 |
 Glaucous-winged x Western Gull hybrid, 2nd cycle |