Apr.14. Ruby-crowned Kinglet still here. Clear, cold. Apr.15. Black-headed Grosbeak. Titmouse feeding young Jolmis Warbler back. Apr.16. House-wrens began building in box next to swing. Warm, beautiful day. Apr.18. Robin singing up canyon. Fox sp. still here. Apr.19. Grosbeaks common - Also many P.T. Warblers, Hermit Thrushes singing at dawn - one, mus- cally but not in full tunes - the other in harsh unmusical notes. Beautiful day. Golden-crested more numerous than Intermediates but some out. Still here. Near Bluebirds often in direction of dairy - Apr.21. Int. Sp. still here but not singing and fewer than Y.C. Sparrows. Apr.23. Y.C. Sp. and Hermit Thrush still here. Weather raw, cloudy. Apr.25. A Cassin Vireo sang near house for an hour or more. No Hermit Th. Apr.26. Several Rustic-backed Thrushes were whistling at dawn. Apr.27. Hermit Thrush and Intermediate Sp. came to battle at 8 a.m. Her. Th. again at 6 p.m. Apr.28. Banded five baby titmouses in box. Apr.29. Fox Sparrow in pool at 6:45 a.m.