Peeler Bb OsNe BR Gib bob TIN 15 
Data on Chickadees Needed 
By RICHARD BREWER 
To ILLINOIS BIRD WATCHERS: I am studying the relationships of Black-. 
capped and Carolina Chickadees, and would appreciate any records that 
readers of the Audubon Bulletin would be able to provide. Information is 
particularly desired on the ranges of the two species in Illinois and on their 
nesting habits. 
The ranges given in A Distiibutional Check List of the Birds of Illinois 
by Smith and Parmalee are a bit confusing. My own work seems to show 
that the two species are separated by a line running northeast from Alton 
to Vandalia and then angiing steeply northward through Champaign County 
and ending near the northern border of Vermilion County. Black-capped 
Chickadees occur north and west of this line, Carolinas south and east. I 
would like to know of any records either supporting or disagreeing with this 
distribution. Accurate comparisons of chickadees within 15 or 20 miles of 
this dividing line would be especially helpful. 
This area includes parts of Jersey, Madison, St. Clair, Macoupin, Mont- 
gomery, Bond, Fayette, Effingham, Shelby, Moultrie, Champaign, Piatt, 
Vermilion, Iroquois, and Edgar Counties. Please send any details you have 
showing where both species occur or have occurred. Nesting records from 
any part of the state are also wanted. Date, locality, habitat, height of nest 
hole, the direction it faced, whether young or eggs are present — all such 
details add to the value of the record. Please send your information to the 
writer at the address below: 
University of Illinois, Zoology Dept., Wright and Healey Sts., Champaign 
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New I. A. S. Members 
WE ARE HAPPY to welcome the new members listed below. These persons 
joined our Society during the six months from September, 1957 through 
February, 1958. The asterisk* denotes a Contributing Member. 
Mrs. Della H. Abbey, Chicago 
Mrs. Gladys Anderson, Chicago 
Robert C. Baker, Chicago 
Miss Bertha Bannert, Homewood 
Mrs. Otto Berg, Chicago 
Richard Brewer, Urbana 
Henry R. Cotton, Kankakee 
*E, A. Dupper, Chicago 
Mrs. H. Ward Eldred, Chicago 
Dr. and Mrs. Egbert W. Fell, Rockford 
*“Mrs. Edward Finnegan, Chicago 
Mrs. Audrey D. Freeland, Chicago 
*Miss Edith Frish, Chicago 
Miss Barbara Goede, Oak Park 
Susanna B. Gustafson, Park Ridge 
W. Ann Hagans, Sterling 
ft 
James D. Harvey, Chicago 
Richard B. Hoger, Westmont 
Burton S. Kennedy, Lansing 
Mr. and Mrs. Lothar Kieson, Wheaton 
Mrs. Peter Kreten, Chicago 
«Ernest E. Lilliander, Chicago 
Frank J. Reekie, Chicago 
Mrs. Charles S. Salmon, Chicago 
Mr. and Mrs. Harry A. Shaw, Sterling 
Mrs. B. Shortz, Gary, Indiana 
David Smith, Chicago 
Edward Stuemke, Chicago 
Mrs. E. B. Tolman, Winnetka 
*John Yondorf, Chicago 
Walter Zillman, Chicago 
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