Birds were very abundant: Many W. Teenagers heard. A Hutton Vireo was calling as it wound up prrr-zeee, pprr-zeee, pprr-zeee etc. for about three minutes. May 19. Boulder Creek. No time for birds but I noticed: Olive-sided Flycatcher calling "a-pée-hew" constantly very near the cottage; Grosbeak, P. Thrush, 4 b. Goldfinches; Yellow, Bicolored and Black-throated Gray Warblers; Warbling and Cassin Vireos, Purple Finch singing; Tanager calling. Junco had young out of the nest. (No Angel heard) Beautiful day. Counted 7 Buzzards flying from peaks to the north, across to Ben Lomond Mt. Beautiful warm weather. May 20. Chilly fog most of the day. Lutescent Warbler sang at dawn — meeting again? A Lazuli Bunting was singing from the electric wire in front of the house at 1 p.m. May 21-23. Chilly fog. May 24. At dawn the Purset-backed Thrush was the first bird to whistle (no song until later); thin the Lutescent Warbler, Song Sparrow, Spotted Towhee, Brown Towhee. The House Wren did not join in as it usually does. Yesterday it was singing in front of the living-room windows. When I went into the garden after breakfast I found part of the contents of the nesting box pulled out and the male House Wren carrying sticks into the