749. Regulus calendula 

 RUBY-CROWNED KINGLET. 4 inches 



Male. Above olive-gray ; scarlet crest displayed at will ; wing 

 bars tinged with yellow. Below gray. Female. Similar, no crest. 

 A spring and autumn migrant in Massachusetts. Arrives in April. 

 Song. Rich and loud, suggesting a wren. 

 Nest. In conifers, usually pensile. 

 Breeds. North and east of New England. 



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