Catalog 172794 H 494 Larus occidentalis x glaucescens Location: Sand Island, Grays Harbor, Grays Harbor Co., Washington Date: 14 June 1989 Sex: ♀ 3ova > 0.45 cm & 6ova > 0.20 cm & No enlgd oviduct Wt: ~~ 950 Fat. Good Wing L. R. 40 cm Span: 137.5 PR L 10- 28.5 7- 26.9 9- 29 6- 24.7 8- 28.4 5- 28.0 Tail L- 14.4 Tarsus- R 5.90 Tars- ln: 4.47 Mid: 5.79 Out: 5.55 Head L- 12.21 Hal: 0.67 Bill L: 5.52 Post Nares: 3.46 Bill W: 1.27 Gape: 2.68 Bill D: ~~~ 2.03 Ant Nares: 1.93 Post Nares. 1.78 Brood Patch: Bill Win: Um- 2.5Y 7/10 LM- 2.5Y 7/10 Spot. 15 Eyering Cln: 10YR 7/10 Lides: 5Y 8/4 Pigment: 10 YR 3/2 Light, Blotchy, Lower 4t Legs: 5R 6/4 Remarks: ♀ from nest 32. Stomach empty except for Nereis dana p° 10-3