Doug Bell 1987 Catalog DAB Larus occidentalis 203 Location: East Sand Island, near Chinook, WA; Clatsop Co, Skeleton & Oregon. Rt. Wing Date: 27 June 1987 Sex: ♀ 3 ova ≥ 0.26 cm ; 2 ova ≥ 0.10 cm d WT: 915 gms Fat: Moderate Winglength: 40.1 cm (left) Chord: 136.5 cm P° length: 10: 27.2 cm 7: 26.8 cm 9: 27.9 6: 24.8 8: 27.7 5: 23.1 Tail length: 15.2 cm 6 of 12 shafts + vane pigmented. Tarsus: 5.92 cm (Rt.) IV: 4.39 HAC: 0.62 Toes: OUT: 5.72 MID: 5.72 Headlength: 12.24 cm Bill length: 5.62 ♂ post nares: 3.55 cm " width: 1.20 cm ♂ gape: 3.05 cm " depth: Gerys: 2.02 cm Ant. Nares: 1.89 Post Nares: 1.77 Brood Patches: 3 Bill Color: 10 YR 7/10 10 R 5/16 Eye ring Glm: 10 YR 7/10 corners / 2.5 Y 7/8 in central part Aulus: 7.5 Y 7/4 Pigment 2.5 X 3½ - uneven deferral lower ½ gripsy Legs: 5 R 7/4 Remarks: 1 frozen vial. Stomach empty except for a few fish vertebrae & ribs. Few worms.