BIRDS OF YOSEMITE NATIONAL PARK 



121 



THRUSHES: Family Turdidae 



ROBIN (Tardus migratorius): 8/2- 

 10/2 in. Back gray; head and tad black- 

 ish; below rcddish-broivn, '' red-breast" ; 

 throat white, streaked with blackish; 

 eyelids and spot in front of eye white; 

 bill yellowish. Female: Breast, head, 

 and tail colors paler. Immature: Under 

 parts and back speckled, suggesting the 

 relationship to the thrush family. Nest 

 bulky, of grasses, twigs, pine needles, 

 weed stems, etc., well plastered with 

 mud. 



Frequents meadows, stream borders, 

 and lawns where there are scattered 

 trees. Common S. V. in the Transition 

 life-zone but also in the Canadian and 

 Hudsonian life-zones. Common at lower 

 levels in winter. Abundant in Vosemite 

 Valley where it nests. May be sparsely 

 present" there in winter but more com- 

 mon at lower elevations. 



VARIED THRUSH (Ixorcus 

 nacvius): 9-10 in. Resembles robin; 

 above dark slate; head darker; orange 

 stripe over and extending behind eye; 

 orange-brown bars and patch in dusky 

 wing; black collar on orange breast. 

 Female: Breast band duller. Imma- 

 ture: Collar incomplete or absent; 

 breast speckled. 



Frequents dense growth of conifers, 

 oaks, or high chaparral, often in can- 

 yons. Prefers shaded locations. In the 

 Transition and Canadian zones in 

 summer and ranges into the Upper 

 Sonoran zone in winter. \\". V. to the 

 western slope of the Yosemitc r(\gion 

 below the level of the heavy snows. 

 Occurs in Vosemite Valley. 



HERMTT THRUSH (Hylocichla 

 guttata): ^Y'l-lYi in. Above soft broicn; 

 tad reddish - brown, which it raises 

 slowly on alighting or depresses and 

 raises often when at rest; below whit- 

 ish; throat and breast dotted with 

 blackish-brown. A timid, trim bird with 

 slender legs and beak. Stands rather 

 high from the ground in contrast to the 

 squat-like position of the fox sparrow 



ROBIN 



VARIED THRUSH 



9-10 



HERMIT THRUSH 



