ORIOLES. 363 



Va. to Canada; winters in Mex. and Central 

 America; south in Sept.; north in May. 

 Song loud, clear distinct whistles, but very 

 variable, given full only in May and June; 

 heard somewhat shortened in late Aug. and 

 early Sept. ; has a scolding chatter when 



Fig. 291 



Yellow-headed Blackbird. 



annoyed; young utter a monotonous piping 

 w r hen first out of nest in July. Nests in 

 trees, woven and pendulous. 



406. BULLOCK ORIOLE. 



Differs from last in having orange of 

 throat extending on cheeks, often over eye, 



