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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
D.A. Bell
Catalog
1987
172258
DAB
Larus occidentalis
175
Location: Elk River Mouth, 1 mi. N. Paradise Point (nr
Skeleton & Left
Port Orford) 3 mi. S. Cape Blanco, Curry Co., Oregon
Wing
Date: 15 June 1987
Sex: 1,010 gms. T 26 ora 2 0.25mm ø, 26ora 2 0.14mm ø. Large!
WT: ↓ (970 gms - stomach contents) Fat: Heavy.
Winglength 40 cm (right)
Chord: 131.5cm
Primary length: 10: 28.1 w
7: 26.2
9: 28.3 w
6: 24.4
8: 27.6
5: 22.7
Tail: 14.9 cm 8 out of 12 shafts/venes represented. Venæ slight.
Tarsus: 6.05 cm (left)
Toes:
out: 5.62 mid: 5.68 cm
in: 4.34 cm Hal: 0.65cm
Head length: 12.17 cm
Bill length: 5.47 cm at post. larks: 3.42 cm
Bill width: 1.31 at Gape: 3.08 cm
Bill depth: Gonys: 2.03 cm
Ant tars: 1.91 cm
Post. tars: 1.84 cm
Brood patches: 3 good.
Bill Color: 10 YR 7/14 Gray 5 R 5/14
Eyering Colors: 10Y R 7/2 Gray color in rear and along 3 spots
of lower ring.
Irides: 5 Y 7/4 Very little diffuse pigment patches in lower ½
Legs: 5 R 6/3
Remarks: Stomach full of 2 large squid + mussels. 1 frozen &
1 whole meal. Right Primaries 10-4, 3 out, 1+2 molt (73 ½% down respectively)