 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle (left, #1 of 2) with WEGU |
 Thayer's Gull, 1st cycle (#2 of 2) |
 L-R: 1st cy THGU, presumed GW x WEGU, 1st cy (#1 of 2) |
 L-R: adult WEGU, 1st cy THGU (#2 of 2) |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle (#1 of 2) |
 Thayer's Gull, 1st cycle (#2 of 2) |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 presumed Thayer's Gull, bleached st cycle(#1 of 2) |
 presumed THGU, bleached 1st cycle (#2 of 2) |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 presumed THGU, bleached 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 1st cycle |
 Thayer's Gull, 2nd cycle (#1 of 3) |
 Thayer's Gull, 2nd cycle (#2 of 3) |
 Thayer's Gull, 2nd cycle (#3 of 3) |
 Thayer's Gull, 2nd cycle |
 Thayer's Gull, 2nd cycle (#1 of 2) |
 Thayer's Gull, 2nd cycle |
 Thayer's Gull, 2nd cycle (#2 of 2) |
 Thayer's Gull, 2nd cycle |
 Thayer's Gull, 2nd cycle |
 Thayer's Gull, 2nd cycle (#1 of 2) |
 Thayer's Gull, 2nd cycle (#2 of 2) |
 presumed Thayer's gull, 2nd cycle (#1 of 2) |
 presumed Thayer's Gull, 2nd cycle (#2 of 2) |
 Thayer's Gull, 2nd cycle |
 Thayer's Gull, 2nd cycle |
 Thayer's Gull, 2nd cycle |
 Thayer's Gull, 2nd cycle |
 Thayer's Gull, 2nd cycle |
 THGU, 2nd cycle |
 Thayer's Gull, 3rd cycle (#1 of 4) |
 Thayer's Gull, 3rd cycle (#2 of 4) |
 Thayer's Gull, 3rd cycle (#3 of 4) |
 Thayer's Gull, 3rd cycle (#4 of 4) |
 Thayer's Gull, 3rd cycle |
 Thayer's Gull, 3rd cycle |
 Thayer'Gull, 3rd cycle |
 Thayer's Gull, probable 3rd cycle |
 Thayer's Gull, 3rd or 4th cycle |
 Thayer's Gull, 3rd cycle |
 Thayer's Gull, basic adult (#1 of 2) |
 Thayer's Gull, basic adult (#2 of 2) |
 Thayer's Gull, basic adult (#1 of 3) |
 Thayer's Gull, basic adult (#2 of 3) |
 Thayer's Gull, basic adult (#3 of 3) |
 Thayer's Gull, basic adult (#1 of 2) |
 Thayer's Gull, basic adult (#2 of 2) |
 Thayer's Gull, basic adult |
 Thayer's Gull, adult |
 Thayer's Gull, basic adult (#1 of 2) |
 Thayer's Gull, basic adult (#2 of 2) |
 Thayer's Gull, basic adult |
 Thayer's Gull, basic adult |
 Thayer's Gull, basic adult |
 THGU (front) with GWGU hybrid (rear), both basic adults (#1 of 2) |
 THGU (front) with GWGU hybrid (rear) both basic adults (#2 of 2) |
 Thayer's Gull, adult |
 Thayer's Gull, basic adult |
 Thayer's Gull, adult |
 THGU (right) with presumed GW x WEGU, both basic adults |
 top to bottom: Western, Thayer's, Glaucous-winged, all basic adults |
 Thayer's Gull, basic adult |
 Thayer's Gull, basic adult |
 Thayer's Gull, adult |
 Thayer's Gull, basic adult |
 Thayer's Gull, basic adult |
 Thayer's Gull, basic adult |
 Thayer's Gull, basic adult (#1 of 2) |
 Thayer's Gull, basic adult (#2 of 2) |
 Thayer's Gull with probable GW x WEGU; both adults |
 Thayer's Gull, basic adult |
 Primary patterns of 3 adult Thayer's Gulls |
 Primary patterns of adult HERG & THGU - P10 on HERG not fully grown |