Her oak trees were sprayed yesterday and yet there were large numbers of Blue Siskins and Purple Finches eating worms in the trees. Several Andebon Warblers were singing. A bunch-tits nest in poplar (or birch?) trees on Tannalpais Road was being shaken by young in the nest - both parents feeding. 28 Species. April 13. Cold a.m. Sunny later. Heard Grouse and House Wren again. In the evening a Great Horned Owl was perched at the top of the red- wood tree next to the house at 29 Morewood. It was calling repeatedly. We saw it fly away - April 14. Birds increasing. Many Purple Finches in the oaks feeding on the worms and a pair of robins picking them up from the ground. Two youngos. A Hermit Thrush heard before 7 a.m. A Fox Sparrow came for food. G.C. Sparrows singing. April 15. On the way to Boulder Creek we stopped a few moments at Drumbaron Bridge about 11:30 a.m. Tared Gulls in full plumage 80+; Bluebirds 5; Clapper Rail 1; Str. Flower 30+ most in full plumage; Willets 100+; Red-billed Sand- pipers - 100s - almost all with black bellies - Very few Least and Western; only three gulls seen, 40+ Bonaparte Gulls, all with black heads. They were picking insects (?) from the surface of the water; Forster Terns 2; Cliff Swallows abr., Barns. 2; Pijarts abr. Nomedale (