ZIEGLER 1954 JOURNAL Dec 14 (cont) PASSER DOMESTICUS MELOSPIZA MELODIA ZONOTRICHIA LEUCOPHRYA CALYPTA ANNA EMPIDONAX SPP DENDROICA AUDUBONI EVPHAGUS CYANOCEPHALUS PIPILO FUSCUS OXYECHUS VOCIFERUS HYLOCICHLA GUTTATA TURDUS MIGRATORIUS PSALTRIPARUS MINIMUS LARUS SPP. JUNCO OREGANUS UNUSUAL - THAT THE TWO MALE CARPODREUS TAKEN DEC. 13 HAD RUST COLORED HEADS & RUMPS WHILE OTHER MALES SEEN TODAY IN THE SAME LOCALITY HAD DEEP ROSE COLORED HEADS & RUMPS. WHY THE DIFFERENCE? DEC 19 SE. CODE S.F. INTL AIRPORT, SAN MATEO CO, CALIF. SET OUT 20 MOUSE TRAPS ALONG EDGE OF BAY LAST NIGHT. 8 TRAPS IN SPALICORNIA AT EXTRA HIGH TIDE LINE. OTHERS ON SMALL BLUFF ABOUT 2 FEET ABOVE THIS HIGH TIDE LINE. TWO MICROTUS & LEITHRODON TOMYS PLUS ONE MUS TAKEN ON BLUFF; 1 MUS AT HIGH TIDE LINE IN SPALICORNIA. ONE OF THESE MUS PURE WHITE BENEATH - EXCEPT FOR SCALY THICK & SLIGHTLY DUNTED HEAD COULD HAVE PASSED EASILY FOR DEER MOUSE. THE OTHER MUS GRAYISH-WHITE BENEATH (NEITHER MUS COLLECTED.)