ZIEBWER 954 JOURNAL DEC.12 2 MILES N.E. OF SAN BRUNO, SAN MATEO CO, CALIF. SET OUT 20 MOUSE TRAPS ALONG DICES + IN FIELD NEAR EDGE OF BAY SHORE. PART OF AREA APPARENTLY HAD BEEN FLOODED BUT WAS FIRM ENOUGH TO WALK ON. 8 OR 10 DEAD GULLS (TO FAR GONE TO IDENTIFY) ALONG EDGES OF PITS. OPEN BAY SHORE ABOUT 200 YARDS AWAY FROM TRAP SETS. BA IT - PEANUT BUTTER + BACON GREASE. NIGHT COLD (35-40°) + CLEAR. TRAPS SET IN GRASS CLUMPS - MANY IN MICROTUS RUNWAYS, SOME RUNWAYS FRESH. - 88 CAUGHT ON DICE, SKULL BROKEN. STOM. REITHRODONTOMYS VEGETABLE MATTER, SOME GREEN (SANICORNIA?) MICROTUS - 89 IN FIELD, PARASITES (FLEAS) + CYST FROM LIVER LOBE (COLL). STOM - GREEN VEGETABLE MATTER. (MOSTLY SANCORNIA) SHORT EARED OWL SEEN HUNTING OVER MARSH. HUNTERS OUT FOR DUCKS. BAIT ON MOST OF TRAPS NOT TOUCHED. FRESH SECTIONS OF SANICORNIA SP. IN MICROTUS RUNWAYS. DEC.13 (EAST) SAN BRUNO, SAN MATEO CO, CALIF. 6 CARPODACUS MEXICANUS FOUND DEAD ALONG HIWAY, APPARENTLY HIT BY TRUCK WHEN FLYING IN FLOCK ACROSS ROAD. 5 COLLECTED. - 90, 91, 92, 93, 94. PARASITE FROM 90 (HOUSE) STOMACH CONTENTS - SEEDS + SAND (COLLECTED) VERY LITTLE FAT. DEC.14 SAN BRUNO, SAN MATEO CO, CALIF, JUNCO OREGANUS SEEN FROM WINDOW - ALBISTER SPECIES AT HOUSE TO DATE - (SEEN OR HEARD) CARPODACUS MEXICANUS