758a. OLIVE-BACKED THRUSH. 1% in. 



(Hylocichla ustulata.) 



Uniform dark olive; below white, darker on sides; cheeks, 

 throat, breast and ring about e^^e buff; spotted on breast; 

 song loud and ringing. Gray-cheeked Thrush. Hermit 

 Thrush. Wilson Thrush. 



759b. HERMIT THRUSH. 7}^ in. 



(Hylocichla guttata pallasii.) 



Olive-brown; tail reddish-brown; below dull white tinged 

 with buff and thickly spotted across the breast ; shy, hiding 

 in bushes; famous for its song but silent during migration. 

 Other Thrushes. 



761. ROBIN. 10 in. 



(Planesticus migratorius.) 



Dark slate color; black head; yellow bill; throat white 

 streaked with black; underparts bright chestnut-red; sings 

 "cheer-i-ly, cheer-i-ly, cheer-up." Immature: spotted 

 with black. Towhee. 



5/2 



766. BLUEBIRD. 



(Sialia sialis.) 



Sky-blue; brownish-red below; female shows less blue; 

 usually in pairs; call, "pu-ri-ty, pu-ri-ty;" often heard before 

 seen. Blue Jay, 



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