Flicker box where J.T.A. says he hears Scrub Chick stretching about every night. Grosbeak singing. Hot - 8° in San Francisco. 2 Burrowing (also on fence) Apr.13. At the Alvarado pond, we found about 15 Yellowlegs (possibly one Lesser), 4 Dovetails, Sandpipers (some Redbills in full plumage), and several Shovelers. Apr.14 Boulder Creek. Cooler. Birds heard: Western Flycatcher, Cassia Vireo (female taking spiraea bark for a nest); male, staying in same bush and singing softly); Warbling Vireo, Lutecent Warbler - Bicolored, Black-Throated Gray, one Grosbeak, - all singing. J.T.A. heard the Olive-sided Flycatcher. Reached home in Berkeley at 3 p.m. Robins, Purple Finches, Pine Siskins in the oaks. Y.C. Sparrow singing. Titmouse Went to Regat Moffitt Garden party - Heard Buget Sound Sparrow on the way. In the Moffitt garden I heard Robin, Warbling Vireo, Western Flycatcher, Titmouse, Bushtit (saw a pair), Warbling, Grosbeak, Spotted Turkee, Song Sparrow. April 15. Clear. Cold N.W. wind. A Red-breasted Nut-Hatch was calling outside my window. House Wrens still at the tree next to dining room window. April 16. Warner. Fletcher group spent morning in Ruble Rd. region. Audubon Warblers singing. Those with white throats were Myrtle Warblers, I suppose. No Kinglets, One Hermit Thrush. Some Y.C. Sparrow.