Catalog Douglas A. Bell 172297 074 SKEL + RT WING Species: Larus occidentalis Adult at Cape Mendocino Location: Sugar Loaf Rock, Humboldt Co., CA. date: June 5 1986 sex: ♀ left ovary - many ova, but all < 1.5mm & weight: 1060g heavy fat wing length: 40.2 cm primary length #10: 27.9 cm 9: 28.2 cm 8: 27.5 cm 7: 25.6 cm 6: 24.0 cm 5: 23.1 cm tail length: 15.1 cm tarsus (right): 6.05 cm right mid.toe: 5.45cm head length: 12.02 cm bill " 5.71 cm " post.u.: 3.63 cm bill width: 1.31 cm bill depth gouys: 1.97 cm ant.u.: 1.93 cm post.u.: 1.82 cm brood patches: orange/yellow #18 bill + eyelid col: straw yellow #56 w/burnt amber,23 iris col: fleshy pink #5 even over lower leg col: half. Thin remarks: stomach muscle shells - preserved 3 brood patches at feathering ovary.