Remsen, J.V. 1974 Marsh Hawk Circus cyaneus Jan.5 Coyote Hills Reg. Park, Alameda Co., Calif: 10 Jan.6 Pt. Reyes, Marin Co., Calif: 1 ♂ dive-bombing snowy owl at North Beach Jan.19 Año Nuevo S.R., San Mateo Co., Calif: 5 Pescadero Marsh, San Mateo Co., Calif: 4 Feb.6 Benicia St. Rec.Area, Solano Co., Calif: 2 Feb.8 Coyote Hills Reg.Park, Alameda Co., Calif: 6. (1 ad.♀, 1 ad.♂, 4 imm.). 1 ♂ performing spectacular roller-coaster flight. 75' At the top of each arc, he rolled over on his back before plunging down again. The down sweep was extremely fast, and pulled out at the last second, he had enough power to climb to the top of the next arc without flapping. Feb.9 Eastern Contra Costa Co., Calif: 9 Feb.16 Santa Fe Grade, Merced Co.: 4 Hwy 33, Kern Co., Calif: 1 ♀ Elkhorn Grade, Kern Co.: 1 Feb.17 Elkhorn Plain, San Luis Obispo Co: 2 Calif. Valley-Carrizo Plain, San Luis Obispo Co: 3 Kern NWR, Kern Co: 30 Pixley NWR, Tulare Co: 1 ♀ Feb.18 San Luis NWR, Merced Co.: 15 Santa Fe Grade, Merced Co.: 5 Apr.25 Sears Pt. Rd., Solano Co., Calif: 1 Apr.26 Boca Dam, Nevada Co., Calif: 1 ♂ Hwy 50+5, Sacramento Co., Calif: 1 Woodland Sugar Ponds, Yolo Co., Calif: 1