E. Aldrich 1938 - Ash-throated Flycatcher (2 heard) - Violet-green Swallow (2 seen flying about cliffs) - White-throated Swift (one seen emerging from cliff crack) - Red-tailed Hawk (one adult seen - one nest + at least 2 young high on E.-facing cliff. Young are as yet downy white with juvenile plumage on wings. - Black-throated Gray Warbler (one very buzzy warbler song heard from bushy hillside.) - Rock Wren (3 recorded - one seen carrying feces across canyon) - Black-chinned Sparrow (one heard singing on brush [sp?]) on sides of rocky cliffs. Have never seen this species in this type of area) - Western Tanager (2 ♀s seen) in fernipers in bottom of canyon) - Yellow Warbler (one seen giving notes) May 31, 1938 In A.M. photographed + near camp and down Cedar Canyon. Afternoon, also photographed, mostly reptiles. Brewer Sparrow (Mr. Gamill flushed parent from +45990 from nest [low] down in brush. Nesting period must extend our some period, because have observed young out of nest several days ago.