Bird Notes: Aviary birds of the San Francisco Bay Region, v4289
Page 405
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Alameda to and from San Francisco, cal. Conditions: - Cool; westerly wind; overcast. A few ducks were noted together on the water in the light near the roundhouse this morning. They were at too great a distance to determine to what species they belonged. At the Alameda Wharf this morning there were ten or a dozen gulls (Larus glaucescens) on the piles. All were immature birds and appeared quite lazy and listless, not budging as the steamer ghided close by them. In the evening Larus glaucescens (immature), Larus californicus (mostly adult), and Larus philadelphia (nearly all black-headed) were abundant. The two former species were following the steamers abundantly in the usually manner. Many were also seen mounting up into the air. There were a considerable number of Larus philadelphia feeding close to the San Francisco ferry slip. One or two immature birds with banded tails, and one or two white-headed