Harris—Birds of the Kansas City Region. 285 
AGELAIUS PHOENICEUS PHOENICEUS (Linn.). 
AGELAIUS PHOENICEUS PREDATORIUS (Wilson). Proposed April, 
TOUT: 
Common summer resident; very abundant migrant; irregular, some- 
times not uncommon winter resident. 
DISTRIBUTION OF A. P. PREDATORIUS 
ate cea ta irs . 
MONT. i N.DAK. 
’ 
‘ 
‘ 
IND- aed 
' oe SS 
APSA Hs 
‘ \ , 
ee 
j 
pet? uy 
Sire 
Continuous line encloses breeding range. 
Broken line shows extent of winter range. 
Immense hordes of Red-wings migrate up and down the low- 
lands bordering the Missouri River. Flocks numbering untold 
thousands are present during spring and autumn, and occasional 
birds are found among the wintering throngs of Thick-bills and 
Northern Red-wings. The earliest flocks, composed almost en- 
tirely of males, begin to arrive during the first few days of 
March while the wintering birds are still present in some num- 
bers. In favorable winters this northward movement may start 
as early as the middle of February. Not until the first of May 
have the last flocks of late females passed, leaving only the 
breeding birds present. These summer residents may be looked 
for in the bottom lands or on the uplands about swampy places, 
or where there are reeds, rushes, high grass or ecat-tails near 
water. They start nesting about the middle of May. Flocking 
begins as early as the middle of July when the birds begin to 
