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FIGURE 2.FROM: FIRST PREBASIC MOLT IN HERRING, THAYER'S, AND GLAUCOUS-WINGED GULLSBY: STEVE N. G. HOWELL, JON R. KING & CHRIS CORBEN IN: J. Field Ornithol., 70(4):543-554, 1999 Timing and extent of first prebasic molt of scapulars in Thayer's Gulls (THGU)
wintering in central California, during 1997/1998 to 1998/1999 winters. See Figure 1 for details. CLICK HERE FOR FIGURE 1 - HERRING GULL CLICK HERE FOR FIGURE 3 - GLAUCOUS-WINGED GULL |