BIRDf OF YOSEMITE NATIONAL PARK 137 



OREGON JUNCO I/Tk CHIPPING SPARROW 



if £ ¥ 



5-5/^ 



OREGON JUNCO (Junco ore- 

 ganus): 5-6 in. Head, neck, and breast 

 black, brownish or slaty in female and 

 immatures; back light brown to red- 

 dish-brown; under parts white, tinged 

 with brownish or pinkish on sides; outer 

 tail feathers white; bill whitish. Song 

 suggests tinkle of bells; call a metallic 

 tck. Nests on the ground or in trees. 



Frequents a wide variety of habitats 

 in the mountains but seems to prefer 

 fairly moist woodland or forests with 

 a broken understory. Abundant S. V. 

 in the Yosemite region from the Tran- 

 sition zone to timberline. In winter de- 

 scends to the foothills. Some remain in 

 Yosemite Valley in winter. 



CHIPPING SPARROW (Spizella 

 passerina): 5-5/2 in. Above brown, 

 streaked with black; crown chestnut; 

 whitish line over eye and black line 

 extending from bill through eye; under 

 parts light gray, unstreaked; relatively 

 long, notched tail. Immatures: Streaked 

 below and crown may be divided by 

 pale line. Call a whirring series of 

 short notes near one pitch. 



Frequents open woodland or conifer- 

 ous forests with little understory vege- 

 tation. Inhabits the Lower Sonoran 

 up through the Hudsonian life-zone in 

 summer. S. V. in the Yosemite region, 

 most commonly in the Upper Sonoran 

 and Transition life-zones. To be seen 

 in Yosemite Valley. 





WHITE-CROWNED 

 SPARROW 



WHITE-CROWNED SPARROW 



(Zonotrichia leucophrys) : 534-7 in. 

 Head with black and white stripes; 

 white stripe from above bill through 

 middle of crown; white stripe over eye 

 stopping short of or reaching bill; up- 

 per back gray-brown, streaked; rump 

 lighter brown, unstreaked; under parts 

 whitish, darker on breast and sides. Im- 

 mature: Head stripes chestnut-brown 

 and gray; gray of under parts tinged 

 with brownish. Song is sweet and plain- 

 tive. 



Frequents grassy areas with scat- ~7~ 

 tered bushes and trees. In the Sierra J^ 

 seems to favor willow thickets in moun- 

 tain meadows. In winter in shrubbery, 

 broken tracts of chaparral, etc. In the 

 Sierra, S. V. in the Transition to the 

 Hudsonian life - zone. Widespread in 

 the lowlands in winter. In the Yo- 

 semite region nests chiefly in the Hud- 

 sonian zone but a few nesting records 

 for Yosemite. Common in Tuolumne 

 Meadows area. Fall and winter visitant 

 to Yosemite Valley. 



