D. A. Bell Catalog Lg 172662 551 Larus glaucescens Location: Bird Rocks in Rosario Strait, San Juan Islands, San Juan Co., Washington Date: July 14 1989 Sex: F. Ovary grape-like. wt: 925 g Fet: Med. Wingl: R - 41.0 Span: 135 cm PL 10- 28.7 7- 27.8 9- 29.5 6- 26.3 8- 29.2 5- 24.5 Tail L: 15.6 Tarsus: R: 5.86 Toes: Ln - 4.06 Mid. 5.23 Oul. 5.07 Head L: 12.20 Hal: 0.57 Bill L: 5.50 Best Nares: 3.58 Bill W.: 1.16 Cype: 2.93 Bill D. long: 1.99 Ant Nares: 1.91 Post Nares: 1.78 Brood Patches: Bill Gri: 4M- 5Y8-8 LM- 5Y8-8 Spd.- 15 Eyes: 5RP 7-4 PFL Lides: 10YR 8-3 Pigmt.: 10YR 3-2 LGE Legs: Remarks: Immature 3-4 year bird. Stomach full of sm. fish remains.