Willett Catactrophorus semipalmatus Reimsen, J.V. 1973 July 6 Princeton Harbor, San Mateo Co, Calif : 2 Ana Nuevo Pt, San Mateo Co., Calif : 4 Dumbarton Bridge, Alameda Co, Calif : 1000+ in one flock Palo Alto Yacht Harbor, Santa Clara Co, Calif : 10 July 11 Dumbarton: 100 July 14 Bolinas Lagoon, Marin Co, Calif: 300 July 13 Sears Point Rd, Solano Co, Calif : 1 July 21 White water Rivermouth, Riverside Co, Calif: 10 Saltan Sea South end Salton Sea, Imperial Co, Calif : 10 July 22 Salton City, Imperial Co, Calif : 3 West Pond, Imperial Dam, Imperial Co, Calif : 11 Aug.5 Bay Bridge Toll Plaza, Alameda Co, Calif: 30 Bodega Harbor, Sonoma Co, Calif : 200 Point Reyes N.S., Marin Co, Calif: 10 Aug.31 Bolinas Lagoon: 800 Sep.2 Bay Bridge Toll Plaza, Alameda Co, Calif: 50 Rodeo Lagoon, Marin Co, Calif: 1 Pescadero Marsh, San Mateo Co, Calif : 5 Sep.14 North end Salton Sea, Riverside Co, Calif: 10 Sep.16 Tia Juana R.Valley, San Diego Co, Calif: 15 Sep.18 Monterey area, Monterey Co, Calif : 5 Moss Landing, Monterey Co : 15 Sep.21 Pescadero Marsh : 20 Sep.22 Monterey area : 4 Pt. Pinos Carmel Rivermouth, Monterey Co: 1 Sep.23 Monterey area : 5 Pt. Pinos Ana Nuevo S.R., San Mateo Co, Calif : 25 Pescadero Marsh : 5 Sep.25 Rodeo Lagoon : 1 Sep.27 Monterey area : 15 Moss Landing : 40 Pescadero Marsh : 5 Sep.29 Eureka area, Humboldt Co, Calif: 100