Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Doug Bell
1987
Catalog
172279
DAB
Larus occidentalis
Green Rock, 2mi NNW of
138
Location: Birdrock, Trinidad Head, Humboldt Co., CA.
Date: May 27, 1987
Sex: ?
10mm > 0.42 cm &.
WT: 1200 g
Fat: Good
Winglength right
Chorl: 134 cm
40.9cm
Primary length 10: 28.9cm
7:
26.7
9: 29.0
6:
24.8
8: 28.5
5:
23.0
Tail: 15.6 cm trace pigrn. in shafts
Tarsus: right 6.25cm out: 5.79cm mid: 6.06
in: 4.62am hal: 0.50
Headlength:
11.85cm
Bill length:
5.38 cm post. Nares: 3.45cm
1.23
Bill width:
1.27 am
Ant. Nares: 1.9cm
Bill depth: Gouys: 2.00am
Post. Nares: 1.78 cm
Brood patches: 3
Bill color: 10 YR 7- 12
eyernil colors:
10 YR 7- 10 gray color in both
corners
Irides: 5Y 8-3 even pigment in lower 1/2
Legs: 2.5Y 8-2
Remarks 2 frozen / ETOT wild. Stomach crop
full of fish.