578 D.A. Bell Catalog 172596 Larus glaucescens 578 Shelt Location Tree Islets near Pine Island, Queen Charlotte Strait, B.C., Canada RW Date 22 July 1989 sex ♂ LT: 0.72 x 0.44 x 0.43 RT: 0.66 x 0.48 x 0.42 Weight 1150 g Fat Moderate. Wing L- 42.4 Span ✏✏ 143.5 Pr. L 10- 29.6 7- 28.2 9- 30.3 6- moulted 8- 29.7 5- moulted Tail 16.4 TarsusL: 6.44 Toes in 4.81 mid 6.03 out 5.95 HeadL 13.44 Hal 0.70 Bill L 6.08 post mns 3.82 Bill W 1.23 Gape 3.50 Bill D gaps 2.12 ant mns 2.06 post mns 1.98 Brood patches 3 prefeathering Bill color wm 5YR-8 lm 5YR-8 spot 1S Eyernig 5RP 6-4 P-M Irides ✏10YR 8-2 Pigment 10YR 2-2 DG-F Legs 5RP 6-4 Remarks brownish tint to primaries p%0-7, 5-1. Tape worms in stomach, stomach empty.