Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Species: Larus occidentalis
Location: Alcatraz Island, SF Co., CA.
004 Wt. 995 g
Skel. date: 15 May 1985
Sex:
Lt Wing Winglength: 39.6cm (worn) Left Wingchord:
Primary length: 10: 27.7 cm
9: 28.0cm (28)
8: 28.0cm (27)
7: 26.2 cm
6: 24.9 cm
5: 22.8
Tail length: 14.8 cm
Tarsus: 5.99cm (left) Middle Toe: 5.78 Inner Toe: 4.32
Outer Toe: 5.68 Hallux: 0.57cm
Head Length: 12.20
Bill Length: 5.21 cm