ILLINOIS AUDUBON BULLETIN 23 
ONE DAY BALD EAGLE COUNT — FEBRUARY 14, 1976 
Compiled by ELTON FAWKS 
As in the past, most of the Mississippi River was surveyed from its 
source to below St. Louis and then into Kentucky and Tennessee. The 
Wisconsin River was surveyed by Terry Ingram and party. The Illinois River 
was surveyed from Ottawa to Grafton; its coordination was handled by L. H. 
Princen. The area of the Mississippi from Bellevue to Warsaw, lowa, was 
again surveyed by cars and a plane; Dr. Hayden DeDecker flew the plane 
with Peter Petersen and Allan Mueller counting. The St. Louis Audubon 
Society had the most people counting. Lockmasters, Fish & Wildlife and 
Game Management personnel, Bird Clubs and others took part. Thanks to 
all. 
Adults Immatures Not Aged Total 
Locations 
Lock & Dam 3 thru Lock & 
Dam 11 255 62 18 335 
Lock & Dam 12 to Lock & Dam 
Up. D9 Af 56 6 289 
From Lock & Dam 22 to below 
St. Louis 95 55 9 159 
Illinois River 126 85 18 229 
River Totals 703 258 51 1012 
River Percentages 73.2% 26.8% 
Illinois Wildlife Refuges 11 18 3 32 
Kentucky 15 16 9 40 
Missouri 36 37 0 73 
Tennessee 47 16 15 78 
Nebraska aoe 130 20 0 150 
Other Totals 239 107 27 373 
Other Percentages 69.1% 30.9% 
TOTALS 942 365 78 1385 
PERCENTAGES 72.1% 27.9% 
For the period 1962 thru 1966 an average of 601 eagles were found; 
percentage, 80 to 20 percent. 
For the period 1967 thru 1971 an average of 745 eagles were found; 
percentage, 72 to 28 percent. 
For the period 1972 thru 1976 an average of 1017 eagles were found; 
percentage, 71 to 29 percent. 
