Catalog D.A. Bell 172223 093 species: Larus occidentalis Skeleton + location: Nestucca Spit, Tillamook Co., Oregon Left Wing date: June 14, 1986 sex: Left testis destroyed, Rt. T? weight: 1145g Good fat. wing length: right: 41.4 cm primary length: 10: 28.7 cm 9: 29.6 cm 8: 27.7 cm 7: 27.1 cm 6: 25.01cm 5: 24.0cm tail length: 16.2 cm (7 tail feathers with small black patches) L. tarsus: 6.502 cm Left middle toe: 6.02 cm head length: 13.03 cm bill length: 6.23cm post. n.: 3.70cm bill width: 1.36 cm bill depth groups: 2.19 cm " ant. n.: 2.18 cm " post. n.: 2.14 cm brood patches: 3 bill, eyemig color: orange yellow irides: strawyellow, very little pigment lowo half leg: fleshy pink remarks: 6 hrs before tissue was taken. 6 of 12 tail feathers have either small black patches (1.5 x 1 cm) or scattered pigment. stomach: contained small fish vertebras, ribs.