ro 



COWB1R1). 



296. Female, gray-brown. Nestlings, both 

 sexes similar to adult female, but moult at 

 once into adult dress. Breeds from Ga. north- 

 ward throughout temperate N. A.; winters 

 in Mex. and southward; south in Oct., north 



. 297 



1-4. 



in April. Flight swift and winding, espe- 

 cially when in pursuit of female. Gregarious 

 in autumn, often alighting about cattle to 

 feed upon locusts. Song, sweet su-sie, very 

 sweetly given in a liquid tone, also a wheezy 

 double croak given while the bird ruffles its 



