Cogswell 1949 Journal 34 Apr.24 - Arroyo Moths to Mt. Hamilton, Alameda & Santa Clara Co. Calf.(cont.) The SW facing slope of the canyon is more open, of grassland or oak parkland nature, at the edge of which we ate lunch. Beyond this the road goes thru miles - miles of oak woodland with Digger Pine abundant at higher altitudes. Stops made after lunch were brief & included areas of woodland, chaparral (on red soils at) Quaternary? Transition zone Black Oak forest near the summit of Hamilton. Birds observed are listed below: sp.acct. * *= see Species Sycamore -oak "wash" open oak- grassland Blue oak digger pine chap. at mid.altit. Adenostoma High chap. forest (near summit) Cathartes aura accipiter sp? 1 Butio jamaicensis aquila chrysaetos (?) 2 3 1 Falco sparverius 2 pr. 10+ Sophora californica 1 pr. 1 (farm pond) Charadrius vociferus 1 pr. Zenaidura macroura 10+ hummingbird sp? (archilobus?) 1? Colaptes cafer 2 Dendroopos metalli 5+ myiarchus cinerascens 2 pr. Sagornis migrans 1 pr. 1 heard Tachycineta thalassina 10+ Hirundo rustica 2 Petrochelidon pyrrhonota many Cyanocitta Stelleri 1 Apelocomus ceruleoscent 2 several Rica muttelli 2+ 2 Corvus brachyrhynchos 1 1 (farm in valley) Parus inornatus 1 2 15+ 3 Troglodytes aedon 1 2 Tirymanos bewicki 1 3 Aphostoma redivivum 1 Sialia mexicana 15+ Colaptes caeruleus 2 3+ Phainopepla nitens 2?, 1? 1 (heard) Vireo solitarius sellos vermibora celata Dendroeca auduboni 2 1 heard? nigrescens "" oporornis tolmiei 1?