574 Lg - 172620 Ly/h D.A. Bell Catalog 574 Larus glaucescens x occidentalis Location U.B.C. Research Farm near mouth of Oyster River, Vancouver Is., B.C., Canada Date 19 July 1989 Sex ♀ Lona 70.10 cmΦ Weight 9.5g Fat: Poor. WingL R 40.0 Span 135 Pr L 10- 28.0 7- 26.8 9- 28.7 6- 25.2 8- 28.1 5- 23.6 TailL 15.7 Tarsus L 5.74 Toes in 4.15 mid 5.25 out 5.32 HeadL 12.06 Hal 0.71 Bill L 5.66 post max 3.52 Bill W 1.22 Gap 2.90 Bill D Gouys 2.11 ant max 2.02 post max 1.83 Broodpatches 3 rfeathering Bill color um 5Y8-8 lm 5Y8-8 spot 15 Eyemis 5 RPS-4 PF-M Irides 10 YR 8-2 Pigment 10 YR 3-1 DGF Legs 5 RP 6-4 Remarks no 10-6, 4-1. Stomach full of garbage.