1915 BIRDS OF CALIFORNIA 161 
Status—Common resident of the Transition and Canadian zones along 
almost the entire length of the Sierras; northwest to Siskiyou Mountains (M. P. 
Anderson and J. Grinnell, Proc. Acad. Nat. Sci. Phila., 1903, p. 12), and thence 
south along the inner northern coast ranges as far as the St. Helena Range, in 
Sonoma County ; northeast to the Warner Mountains, Modoe County (Mus. Vert. 
Zool.) ; south to the vicinity of Mount Pinos, Ventura County (J. Grinnell, Auk, 
xx, 1905, p. 391) ; thence east and south along the higher ranges as far as the 
Cuyamaca Mountains, San Diego County (Mus. Vert. Zool.). Occurs in winter 
at lower elevations adjacent, and, sporadically, in the interior valleys of central 
California west at least to Berkeley, in the coastal portion of the San Diegan dis- 
trict, and along the Mohave River out onto the Mohave Desert. 
502 (726c) Certhia familiaris occidentalis Ridgway 
TAWNY CREEPER 
Synonyms—Certhia familiaris americana, part; Certhia americana occi- 
dentalis; California Creeper, part. 
Status—Fairly common resident in the Transition and Canadian zones of 
the narrow humid coast belt, south through the Santa Cruz district as far as Big 
Creek, Monterey County (Jenkins, Condor, vi, 1906, p. 129). In winter occurs 
sparingly in adjacent localities in the San Francisco Bay region, but as far as 
known not at any season south of Monterey County. 
503 (727a) Sitta carolinensis aculeata Cassin 
SLENDER-BILLED NUTHATCH 
Synonyms—Sitta carolinensis; Sitta aculeata; Western Nuthatch. 
Status—Common resident of the Transition and Boreal zones almost 
throughout the state outside of the narrow northern humid coast belt. Breeds 
also locally in the oak belt of high Upper Sonoran, as at Escondido, San Diego 
County (Sharp, Condor, rx, 1907, p. 91), in Santa Clara County (C. Barlow, 
Condor, 11, 1900, p. 133), and in Sonoma County (J. and J. W. Mailliard, MS). 
Southernmost breeding station east of the Sierras is Panamint Mountains (A. K. 
Fisher, N. Amer. Fauna no. 7, 1893, p. 136). Occurs in winter sparingly else- 
where in wooded valleys, and even out on the desert, as at Barstow (J. Grin- 
nell, Condor, m1, 1901, p. 70). 
504 (728) Sitta canadensis Linnaeus 
RED-BREASTED NUTHATCH 
Synonyms—Canada Nuthatch; Red-bellied Nuthatch. 
Status—Summer visitant in small numbers to the high Sierras, breeding in 
the Canadian zone; occurs thus also at the north, east to Warner Mountains, 
Modoe County (Mus. Vert. Zool.), west to the Trinity Mountains, Siskiyou and 
Trinity counties (Mus. Vert. Zool.), and thence south along the inner northern 
coast ranges at least as far as South Yolla Bolly Mountain (Ferry, Condor, x, 
1908, p. 43), and in the coast belt to Cazadero, Sonoma County (Mus. Vert. 
Zool.). Recorded south in summer as far as the San Jacinto Mountains (J. 
