Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Doug BELL
1985
Catalogue
Alcatraz Island, San Francisco Bay, San Francisco Co., Calif.
June 30, 1985
172382
skel. + wing
038 ♀? Larus occidentalis. Ad. plumage. 1 wing saved.
skel. + wing
039 Larus occidentalis. Ad plumage. 1 wing saved. ♀?
172383
July 3, 1985
172384
040 ♂ Larus occidentalis. Trapped off 3-egg nest. Eggs rotten. wt. 1,135 gms
Wing chord: 147 cm. Deep yellow bill + eye ring. Iris pearl, with light
smokey grey mottling over ventral half. Feet fleshy pink. 3 brood patches - refathtering.
Liver: L: 5.6 x 3.8 mm R: 7.5 x 4.3 mm Testis: L: 6.5 x 6.5 x 9.0 mm - tan color.
w. 15.5 gms Wt. 32 gms
R: 4.8 x 4.8 x 6.8 mm - brown color.
Stomach empty. Light fat.
172385
skel. + wing
041 Larus occidentalis - Found dead. Adult, Breeding
Plumage. 1 wing saved. ♀?
172386
042 Larus occidentalis. Chick (1 week old?). Found dead.
Neither skin nor skeleton worth saving. (Bob Jones).
Skull has been saved.