Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
(catalog
172399
DAB
Larus occidentalis occidentalis
234
Location Alcatraz I., SF. Co., Calif.
254
Date April 20, 1988
Sex ♂ LT: 1.85 X 1.41X 1.09 RT: 1.59 X1.18 X 1.04 cm
Weight 1,200 G Fat Good
Shel. +
Wing.
Wing length L 43.5cm Span 145 cm
Pr. length 10 30.3 cm 7 broken
9 31.1 6 broken
8 29.3 5 broken
Tail length 15.60 cm
Tarsus (L) 6.81 Toes in:4.9/mid:6.43out:6-25 0.57
6.25
Head length 14.95 cm
Bill length 6.00 post. nares: 3.61 cm
Bill width 1.28 gape: 3.38
Bill depth Gonys: 2.25 ant.
post.
ares: 2.17 nares: 1.94 cm
Brood patches - not really, 3 downy.
Bill color 10 YR 7/10 Spot 2.5 YR 6/16.0
Eyering color 10 YR 7/10
Irides 7.5 Y 7/4; Pigment: 10 YR 3/2 Band-like, diffuse,
lower 1/3
Legs 2.5 R 5/6
Remarks Caught by hand- frozen whole after couple hours.
Blood taken. Alular claws: RW + LW + (both).
Stomach full w/ fish meal + vertebrae, 2 large tissue
wials frozen.