Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Catalog
172345
DAB
326
Shell +
RW
Larus occidentalis occidentalis
Location: Red Rock Island, San Francisco, Contra Costa & Marin Counties
Date: 10 June 1988
Calif.
Sex: LT: 1.4* x 0.99 x 0.78 RT: 1.14 x 0.82 x 0.62 cm
Weight: 1,080 gms Fat: Moderate.
Winglength 41.5 cm Span 144 cm
P length 10 29.1 7 27.6
9 29.7 6 25.9
8 28.9 5 24.2
Tail length: 15.5
Tarsus: 6.43 L Toes: dn: 4.50 Md. 6.17 Out, 6.00
Headlength 12.99 0.47
Bill length: 6.02 Post Nares: 3.72
Bill width: 1.32 Gape: 2.97
Bill depth Grngs: 2.24 ant Nares 2.09 Post Nares: 1.94
Brood Patches: 3
Bill Color un 10YR 7/12 Spot Color 14
lm 10YR 7/10
Eye ring Color 10YR 7/10
Lids 5Y8/4
Pigment 10YR 7/2 light flecks, sparse, lower 1/3
legs 10R6/4
Remarks: Shot on beach. Ugly gray-brown liver & kidney-
smells like garbage. Stomach full of chicken skin.
P'10-3 Measured after freezing