1944 Apr.9. (contin.) Lut. W. below porch toward west, singing continuously. Bil. W. below pool on east. Many Purple Finches. One R.-finchlet chattering. Heard the call note of a Grosbeak. (Hermit Thr. A. Learner) Apr. 10. Cloudy. A Cassin's Vireo singing. 11 a.m.-3 p.m. Ranied all night. Apr. 11. Cloudy, cool. And.W. calling. Apr. 12. Many birds in oaks. Cassin's Vireo singing. And.W. singing W. Vireo, Tolinie Warbler. Grosbeak-all singing. Frie Siskins. April 13. Tolinie W. near house, singing. Lut. W. first to sing at dawn. 10:30 a.m. Perpetuensis: 'Cloudy, cool. Light frost a.m. p.m. Golden-cv. Sp. singing. A pair of Black-Tits searched the trolley then pulled something from a crack in the bridge pier. Robins < Purple Finches very ab. Apr. 14. Clearer. 8:30 a.m. The woods are full of birds: all singing- Audubon W. flock, Townsend W., Perpetuensis, H.-c. Sparrows, Purple Finches, At 10:30 a.m. started to Boulder Creek. Found Colorado Pools dry, most of the land plowed. Dumbarton Bridge; tide very low. Windy. Eared Grebes 400+ (yy?) Meets Black, Earplumes Bluebills, females and young males moulting still quite numerous Mallards 2 adjacent. Avocets, full pl. 1 1/2 pools Blt. Plover in full pl., not very abundant. Willets Lut. Curlew on mud exposed on bay- Leaser Yellowlegs - one w. Willet. 2/3 size g.W.