(PHEUCTICUS MELANOCYANUS) BLACK HEADED GROSBEAK CONTRA COSTA CO. APR 28 WILCOX CANYON, MONTEREY CO., CALIF 8:40 AM SAW 1 IN TOP OF 30-40 FT. LIVE OAK. SINGING ROBIN-LIKE STRING OF NOTES BUT, TO ME, NOT SO REGULAR AS THOSE OF ROBIN. HEARD SAME(?) BIRD A FEW MINUTES LATER IN EUCALYPTUS 150 FT AWAY. 2 OR 3 AT LEAST THROUGH Woods near TOWNSCOPE PICNIC GROUNDS, NO ?? SEEN FOR SURE YET. 10:30 AM - SAW 2 FLY SINGING FROM ONE HIGH EUCALYPTUS TO ANOTHER WITH BUTTERFLY-LIKE FLIGHT - LIKE THAT IN SAME FLIGHT. WHITE SPOTS QUITE NOTICEABLE IN WINGS. DID NOT SEEM TO BE FOLLOWING OR BE FOLLOWED BY, ANOTHER BIRD. MAY 5 8:30 AM SAW 1 OF +1 ? FEEDING IN NEW GROUN OF LIVE-OAKS ON SUNNY HILLSIDE. FIRST FEEDING A 20 FT APART THEN JOINED EACH OTHER + FED WITH IN A FOOT OF EACH OTHER. COULD NOT SEE WHAT (IF ANYTHING) WAS BEING EATEN. THE 2? HEARD SINGING IN THE 20FT HIGH LIVE-OAK TOPS JUST A FEW MINUTES PREVIOUS TO THIS. MAY 19 9:00! 2? SINGING ON N&L 25 ?30 FT. UP IN LIVE OAK ON ONE OF SMALL, TOP SIDE BRANCHES. AT 9:10 ? UNIT IN GAY TREE 30FT