R.E. Johnson 1967 Journal Wildcat Canyon, Tilden Regional Park, Contra Costa Co., Calif. Jan. 12 Drove via same route as Jan. 11, arriving at 7:50AM. The ground was wet from a light rain during the night, but the sky was clear and the sun came out. Several Brown Towhees feed in the open grass- forb area adjacent to the Brush patch 1st referred to on Jan. 11. Wren-tits could be heard singing in the distance. A "pish" call seemed to attract Plain Titmice, R.Crowned Kinglets, Bush-tits, Scrub Jays, & Steller's Jays from a Live Oak-brush slope. Titmice were subsequently seen in Oaks, Calif. Laurel, & Eucalyptus. Male Anna's Hummingbirds were seen over brushy areas and one dived on a Hutton's Vireo. Ruby-crowned Kinglets were seen feeding in the foliage of Douglas Fir and Dogwood. Immature and adult White-crowned Sparrows feed along the road and in open fields with Brown Towhees. Both species fly up to bushes when disturbed. A song sparrow move up from beneath or within bushes to join the W.C. Sparrows & Towhees in the bush tops at about the time the sun hit these bushes. Later a Song sparrow as heard singing. Steller's Jays began their incessant chatter of calls from high in the Eucalyptus trees & also from oaks as soon as the sun came out. Several Oregon Juncos were seen in the tops of bushes.