576 172733 D. A. Bell Catalog 5 76 Larus glaucescens x occidentalis Spec Location U.B.C. Research Farm near mouth of the Oyster River, Vancouver Isd. B.C. Date 19 July 1989 Canada + RW Sex 0-7 LT: 0.74x0.57x0.28 RT: destroyed. Wt 1140 Fat Moderate. Wing L L - 42.3 Span 142.0 Pr. L 10- 29.0 7- 28.7 9- 29.9 6- moulted 8- 29.4 5- moulted Tail L 16.5 Tarsus R 6.55 Toes in 4.67 mid 6.14 out 6.03 HeadL 13.75 Hal 0.60 Bill L 6.25 port mens 3.82 Bill W 1.35 Gape 3.35 Bill D Gourgs 1.96 ant mens 1.89 port mens 1.83 Broodpatches 3 refeathering Biel color um 5Y8-6 lm 5Y8-6 spot 15 Eyemis 5 RP 6-4 PF-M Irides 10 YR 8-2 Pigment 10 YR 2-1 DG 3/4 Leys 5 RP 5-4 Remarks po 10-7,5-1. Stomach empty except for a couple long fish ribs.