THRUSHES, SOLITAIRES, BLUEBIRDS, ETC. 469 



•5 .Tail light rufous ; length 7. 50-8.20. Rocky Mountain region. 



auduboni, p. 471. 

 4'. Tail not sharplj' contrasted with back. 



5. Upper parts olive. Migrant in Colorado and Texas. 



swainsoni, p. 470. 

 5'. Upper parts hair brown. Alaska and Rocky Mountains. 



almce. p. 471. 



755. Hylocichla mustelina {GmeL). Wood Thkush. 



.Idults. — Head and bark of neck rusti/ or golden brown, fading to olive on 

 rump and tail ; under parts white, marked ^.--^*""^t:**^~ 



with large blackish wedge-shaped spots. ^^#?I5^S*^ .^^T^-?* 

 younq : like adults, but feathers of crown 



S^ 



^..M 



streaked with buff ; wing- covei-ts tipped 



with rusty yellow triangular spots ; breast 



washed with brownish yellow. Length: ^ ij;. .'.o. 



1S)0->^:1'k wing- 4.10-4.")(). tail ;].()()-;5..']0. exposed culmen .t)2-.7"). 



Distribution. — Breeds in the Upper Sonoran and Transition zones of the 

 eastern central United States west to western Kansas ; migrates to Cuba 

 and Guatemala. 



Nest. — Usually saddled on a horizontal branch of a small tree, very 

 compact, composed partly of mud. Eggs : 2 to 5. plain greenish blue. 



Food. — Partly ants, beetles, millipeds. and berries. 



756a. Hylocichla fuscescens salicicola liidgw. Willow 

 Thrush. 



Upper parts uniform olive brown, chest pale buff'i/. mavked with triangular 

 brown spots ; median under parts white, sides gray. Length: ().l)0-7.'.'(>. 

 wing ;].80-4.25, tail 2.90-3.40, bill .55-.00. 



Distribution. — Breeds in Transition and Canadian zones from Hudson 

 Bay and British Columbia south through the Rocky Mountain region to 

 southern Colorado, east to the Dakotas and Newfoundland, and occa- 

 sionally to Illinois ; winters south to southern Brazil. 



Nest. — On or near the ground, made largely of leaves. Eggs : 4, plain 

 greenish blue, very rarely with a few specks of brown. 



Food. — Caterpillars, ants, and other insects, with wild berries and 

 fruit. 



lu Montana. Mr. Williams says, salicirola is tlie conimouost and 

 most widely distributed of the thrushes, ranging from the lower 

 valleys to the foothills and canyons, but keeping near water in 

 thickets of willow, rose, or box elder, away from the heavy timber. 

 Its notes are the same as those of its eastern representative, tbeveery, 

 who has the curious bleating call, the (piiet whistle whee-ourjh, and 

 the tremidous beautiful song. 



757. Hylocichla alicise (liaird). (;hav-chkkkki> Tjuush. 



Upper parts grayish olive; sides of head grai/ ; chest huffy, with wedge- 

 shaped spots of brown ; median under jtarts wliite ; sides olive grav. 

 Length: 7.00-7.7."), wing ;;.7.".-4.4(), tail 2.i •.">-: '..40, bill .4.")-..")S. 



Remarks. — In gcniTal ciilor.ition the gray-cheeked resembles the olive- 

 backed, l)ut it lacks ihf l)uffy eye ring .md tawny wasli on sides of head. 



Distribntion. — Hiccds nortli of the riiitcd .St.itcs from the antic coast, 

 Siberia, and Ahiska. southeast througli Hudson Bay region to Labrador ; 



