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The White-Throated Swift in Western Yolo County, California

Tracy I. Storer
Publication Information
Journal: 
Condor
Volume: 
28
Issue: 
4 (July-August)
Section: 
From Field and Study
Year: 
1926
Pages: 
179

The White-throated Swift in western Yolo County, California.-The White-throated Swift (Aikonautes melanoleucue) has been reported along the Sierra-Cascade range north to Mount Shasta (Merriam, N. Amer. Fauna, no. 16, 1899, p. 117) and in the inner coast ranges to Mount Diablo (Cohen, Condor, V, 1903, p. 119). Its presence in more northern portions of the inner coast ranges might therefore be expected, since these hills resemble, ecologically, the western foothills of the Sierra Nevada. On May 21 and 30,1926, I saw and heard White-throated Swifts over Putah Canon, on the YoloSolano County boundary, about five miles west of Winters; six birds were observed on the former date. The caiion wall at that point has basaltic outcrops which would afford suitable nesting places, while abundant forage is available in the air over the stream. Search for nesting locations has, however, thus far been unfruitful.-TRACY I. STORER, Zoological Laboratory, University Farm, Davis, Califwnia, April 8, 1296. 

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