Journal R.E.Johnson 1969 May25 Briones Regional Park Drove from Berkeley via Tilden Park and arrived at 3:00 PM. Clear warm day. Hiked straight up the dirt road up canyon to the divide & then turned north following various ridges & fire trails north & west again. Retraced the route with small deviations to the divide & followed the road down the east side to a paved road. Returned again to the divide and returned to the car at 6:30 PM. Could see the moth-ball fleet & etc very clearly today. Rather unusually clear & beautiful. Most of the area I passed through is grassland, but there are extensive areas of brush on the north slopes of many ridges & there are trees along the canyon bottoms & lower north slopes. The primary purpose of the hike was to get some sun & exercise but the following birds were noted: Lark Sparrow, Brown Towhee, Rufous- sided Towhee, Lazuli Bunting, Black-headed Grosbeak, House Finch (pair building nest 3 ft. above ground in thistle in grassland on so. slope), Horned Lark, Meadow Lark, White-breasted Nuthatch, Plain Titmouse (one had nest in end of hollow rotten branch of oak tree, 20 ft. above ground), Bush Tit, Western Bluebird, Red-winged Blackbird, Sparrow Hawk, Red-tailed Hawk, Turkey Vulture, Valley Quail, Mourning Dove, Raven, Calif. Jay, Orange-crowned Warbler, Violet-green Swallow, Cliff Swallow, White-throated Swift, Wren Tit, Oregon Junco