758a. Hylocichla ustulata swainsoni 
OLIVE-BACKED THRUSH. 7 inches 
Male and Female alike. Above wzzform olive-brown. Below 
cream, spotted with brown. 
Its summer home is in the evergreen woods of northern New Eng- 
land. Migrant in Massachusetts. Arrives about May 15. 
Song. Clear and ringing, easily confounded with the Hermit’s 
song. 
Nest. In a bush or low tree. 
Breeds. In northern New England. 
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