Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
D. Bell
Catalog
LO
481 Larus occidentalis
Location: Yaquina Bay entrance, Lincoln Co., Oregon
Date: 5 June 1989
Sex: ♀ 1 egg in oviduct receiving last shell & pigment.
2 large yolks: 3.4 x 2.64 cm; 4 ova > 0.70 cm, 3 ova > 0.40 cm
WT: 1,030 G Fat:
Wing L: 38.9 Span: 134.5
Pr. L 10-27.6 7-26.8
9-28.2 w 6-25.5
8-28 5-23.0
Tail L: 15.0
Tarsus: 5.75 @ Toes An-4.23 M.d-5.62 Out-5.42
Head L: 12.23 Hal-0.64
Bill L: 5.61 Post Narres: 3.54
Bill W: 1.21 Gape: 2.75
Bill D: Gonyx-2.05 Ant Narres-1.99 Post Narres-1.73
Brood Patches: 3
Bill Coln: UM-2.5Y 7/10 LM-10YR 7/10 Spot-14
Eyering: 10YR 7/12
Iris: 5Y 8/4
Pignt: 10YR 4/1 Light, blotches (3), lower 1/3.
Legs: SRP 5/4
Remarks: Shot from boat. Egg in oviduct: 6.8 x 4.86 cm; 86 g.
Stomach contains some plant material & crab-shell bits.