130 



KEY AND DESCRIPTION 



sparrow, and lower parts like the white-crowned sparrow, but with the 

 central crown stripe yellow in front, has been seen in Wisconsin. 



31. Tree Sparrow (559. SpizMla monticola). — A chestnut- 

 crowned, streaky-backed, winter chippy, with whitish under 



parts unmarked ex- 

 cept by a blackish 

 ' dot on the center of 

 the breast and some 

 brownish washings on 

 y' the sides. There are 



two distinct white 

 wing bars. This com- 

 mon winter bird of 

 the fields and bushes 

 has a deeply notched 

 tail like all of the genus (Spizilla), and is decidedly larger than 

 the summer chippy (No. 32). (Winter Chippy.) 



Length, 0\ ; wing, 3 (2^-3|) ; tail, 2J ; tarsus, f ; culmen, J. North 

 America, from the Plains eastward ; breeding north of the Uiiitrd States, 

 and wintering through most 

 of the eastern United States. 



32. Chipping Sparrow 



(560. Spizilla sociulis). "" 



— A common, small, 



chestnut-crowned, 



streaky-backed sparrow, 



with whitish under parts 



and line over the eye. 



The notched tail, black 



bill and forehead, and 



(even in the young) 



slaty-gray rump are all ^'^'^^^ ^r"'™ 



points of importance in the determination of this species, as, 



in the autumn, the crown loses its bright chestnut color and 



becomes more or less streaked. This bird is one of the most 



quiet, familiar, and trustful frequenters of our dooryards and 



