Pony Bell Catalog 1987 172284 DAB Larus occidentalis 143 Green Rock, 2 mi. NNW of Location: Birdrock Trinitad lead, Humboldt Co., CA. Date: May 27, 1987 Sex: T: L: 1.73 x 1.50 x 1.13 R: 2.21 x 1.43 x 1.17 Wt: 1230 g Fat: Good Winglength: right 46.5 cm chord: 12.9 cm Primary length: 10: 27.8 cm F: 27.1 9: 28.4 6: 25.1 8: 28.5 5: 23.0 Tail: 15.9 cm trace pigment Tarsus: left: 6.05 cm out: 5.62 cm mid: 6.02 cm im: 4.50 cm Hal: 0.47 cm headlength: 12.51 cm Bill length 4.93 cm post uares: 3.67 cm Bill width 1.46 cm Bill depth: Gonys: 2.02 cm Ant. Nares: 2.05 Post. Nares: 2.03 Brood patches: 3 Bill color: 10 YR 7-10 eyerif color: 10 YR 7-10 graycolor rear cor- Irides: 5Y 8-3 uneven pigment lower 1/2. legs 5R 8-2 Remarks: 1 frozen + 1 ETOH vial. Stomach & crop full of fish - small minnows & a couple 7" surf fish.