11 Apr.3. Dorets Boulder Creek, reaching there 4 p.m. worked till 7p.m. Purple finch gathering nesting material Apr.4. Boulder Creek. Cassia Vires common. 1 Black-headed Grosbeak Food left on table in Berkeley instructed to carry several times. Started home at 10 a.m. via Saratoga, Palo Alto + Dunbarston Bridge Almost no birds at the bridge ( tide coming in almost high.) Saw hrs duetos(sp.?) Marsh Hawk & many Cliff Swallows one W. Grebe, a few raudpapers in flight, 1 Butcher Bird and Golden-crowned Apr.5. Berkeley Woods are full of birds - Int. Sparrows, Purple finches, Robins, juncos. Tormsued Warblers in flocks; also R-C Kniglet, Hermit Thrush Mrs. Riobe reported House Wren on Canyon Rd. Beautiful weather but cloudy. Apr.6. Fox Sparrow calling excitedly in early morning - Hermit Thrush singing. Flocks of same birds as yesterday and thronging to pool ; esp. robins and purple finches. Watched purple finches eating cut worms - a flock of 8-10. Could hear the noise made by their bills - a sound something like that made by the cicadas in Marin Cs. Estimated that they ate about 300 cut worms in 1/2 hr. Then they came to the pool to drink. Robins bathing continually. They pick up the tent caterpillars from the ground and tree barks and branches Robins & finches W.Tly Heard House Wren - Also Tolmie Warbler - caterpi abun singing fully; also Tormsued Warblers & Int. & R-C-Sparrows. Apr.7. Black-headed Grosbeak in garden at 8:30 a.m. I thought heard - House wrens in several places - a pair near dairy- Saw an Audubon Warbler from N porch - singing and in full plumage. All birds as yesterday except Kniglet. Bursten clouds - Pair of purple finches - female gathering roots for nest. Also flock of " " in garden