Field notes, v1473
Page 449
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Marshall, 1948 Nucespiza June 10 Upper San Francisquito Creek, Palo Alto, Santa Clara Co., Calif. Visited some stretch of creek where found only 6 birds last fall (and coll. three), on Webb Ranch. I singing at 1st pool, & carrying food at second pool (Typha), I singing 100 yds from there , farther on a jun, then 60 yds more to another singing I. In other words 4 pairs represented here in distance where 4 bds found (2 coll.) last fall. Was running water. Now found upstream in denser laurel oak, & alder where was a pool & 2 birds last fall (1 coll.). Downstream from this sector - all was dry last fall & I heard no birds - were plenty singing I's every 50 yds or so. Didn't census here in fall so don't know if real increase or not. But there were plenty birds in area which was dry then, not now. There could have been more then in fall but weren't singing & would have been hard to find. Really doesn't look like migration here therefore - not conclusive. (This lower sector is where I coll. 7 in fall of '41.) Must call attn to vast no. individuals & kinds of birds found at 1st pool (where road crosses creek by