BIRDS OF YOSEMITE NATIONAL PARK 



123 



Yoscmitc region, frequent in high 

 Sierra, occasional in Yosemite Valley. 



rOWNSEND'S SOLITAIRE (My- 

 adestcs townscndi) : 8-9/2 in. Above 

 dull gray; lighter below; wings and tail 

 darker than rest of upper parts; edge 

 and tip of outer tail feathers white; 

 white eye-ring. In flight, one sees white 

 in tail and narrow buffy bar in wing. 

 Nests on or near the ground in a hol- 

 low at the base of a tree, stump, clifT, 

 or elsewhere. 



Frequents mountain slopes where at 

 least partly forested, often with pine 

 or fir. Of irregular occurrence in the 

 lowlands in winter. In the Sierra S. V. 

 or R. in the high Transition to the 

 Hudsonian life-zone. In Yosemite Val- 

 ley occasionally seen in winter and may 

 nest there in spring. 



GNATCATCHERS, KINGLETS, 

 AND OLD-WORLD WARBLERS: 



Family Sylviidae 



BLUE -GRAY GNATCATCHER 



( Polio ptila caerulea): 4/2-5 in. Upper 

 parts bluish-gray: indistinct white eye- 

 ring; blackish forehead, wanting in 

 winter and in female: long blackish 

 tail; outer tail feathers white for most 

 of their length ; bill slender. Call often 

 a single, wheezy c-h-e-e, like escaping 

 steam. Active, nervous movements. 



Frequents brush and oak - covered 

 slopes. Common S. V. in the Lower 

 and Upper Sonoran life-zones. Breeds 

 in the foothills of the Sierra. Winters 

 in the lowlands. In the Yosemite region 

 in the Upper Sonoran zone and after 

 the nesting season at higher elevations, 

 including Yosemite Valljy and Gla- 

 cier Point. 



GOLDEN - CROWNED KINGLET 



(Regains satrapa): 3/2-4 in. Upper 

 parts olive-gray to olive-green; con- 

 spicuous orange crowji bordered by yel- 

 low and black, wholly yellow in fe- 

 male: under parts whitish, tinged with 

 brown especially on sides; white line 

 over eye. Forages out on small branches 

 and among needles chiefly in conifer- 

 ous trees. Often travels in small groups. 

 S. V. largely in the Canadian and 

 Transition life-zones. W. V. to low- 

 lands west of the Sierra. In the Yo- 

 semite region present in summer chiefly 

 in the Canadian zone. Recorded to 

 8.700 feet elevation on the slopes of 

 Mount Hoffmann. Usually in Yosemite 

 Valley throughout the year. 



RUBY -CROW NED KINGLET 



(Regulus calendula) : 3^-4/2 in. Up- 

 per parts grayish-olive; red crown-patch 

 (often concealed) ; white ring around 

 dark eye: under parts gray, tinged with 

 yellow; two whitish bars on wing. Jerks 



BLUE-GRAY 

 r " GNATCATCHER,(v^l 



■:^^.-^-5L:r^ 



RUBY-CROWNED 

 <x KINGLET ;<~- 



