Remsen, J.V. 1974 Screech Owl Otus asio Feb 4 Redwood Regional Park, Alameda Co, Calif : I heard only. Responded to my imitations but wouldn't come within 50 yards. Calling from redwoods where stream first crosses paved path beyond parking area. May 12 Montezuma well, Yavapai Co, Ariz : 1 h.o. June 21 Welch Creek Rd, Sundt Reg. Park, Alameda Co, Calif : 1 h.o.- soft brief chatter of 4-5 rapid notes. Would not come close enough to see despite big effort to attract it by imitations, squeaks.