Banks 1959 Zonotrichia leucophrys May 9 Mendocino Co., Calif., coast - the afternoon worked on the field just north of the river - -> Month, 12 Mile Pass, sea level, Mendocino Co. Calif. The afternoon was very windy, and the birds were deep in the brush. There was not much singing. Most birds flushed as singles, but many were in two's, a lot in 3's or 4's. It doesn't seem that mating has progressed very far here yet - I saw no food carrying. Seeing so many in 3's and more also indicates (maybe) that the birds are still in the process of settling down. Got four birds only this pm. The first (no 7) was one of a pair - the others all singles, as near as I could tell. One observation may explain some of the difference in sex ratio in the collected birds. Heard a & sing, started toward him. Got was still far off, one bird flew from that area. But the singing continued. It seems that the ?'s may flush very early, while the ? sits tighter. These birds did not sing from the tops of bushes as much as others I have noted in other places, but from down in the brush, + are a lot harder to spot. May 10 Back early this morning, had 10 birds by 9am, early noon. Early in am, heard two distinct song types: one started with the single note, followed by a descending till : - .... The