Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
MVZ
172195
Doug Bell
1987
Catalog
Larus occidentalis
MVZ 172195
DAB.
230 Location: Protection Island, Jefferson Co., Washington
Initial Date: 8 July 1987
Sex: ♀ lOva ≥ 0.52; 4ova ≥ 0.37; 6 ova ≥ 0.25 cm φ
Wt: 1,030 gms.
Fat: Good
Wingl. 40.0 cm (Rt.)
Chord: 137.5 cm
P° Length 10- 28.4 cm
9- 29.1
8- 28.5
7- 27.1 cm
6- 25.5
5- 23.1
Tail: 15.7 cm
Tarsus: 6.31 cm (left)
In: 4.93
Toes: Out: 5.63
Mid: 5.97
Hal: 0.58
Head:l: 12.69 cm
Bill: 5.84 cm at post nares: 3.66 cm
" Width: 1.29 cm at gape: 3.07 cm
" Depth Gony: 2.19 cm
Ant Nares: 2.10
Post-nares: 1.92
Breed patches: 3 - Middle patch refathering
Bill Color: 10 YR 7/12 Gony: 10 R 5/16
Eyeing Color: 10 YR 7/10 - corners. 2.5 Y 7/10 mid sections of upper & lower lid.
Aides: 7.5Y 8/4. Very little pigment; diffuse gray
10 YR 3/2.
Legs: 5 R 5/4
Remarks: Trapped off 2 egg nest. Mate & Glaucous-winged Gull, with all apparent "good" GWG characters. Head tossing etc seen.