. Distribution and abundance of winter populations of bald eagles in Illinois. Bald eagle. February 1988 Havera and Kruse: Winter Populations of Bald Eagles IS. I 15 29 12 DEC JAN Fig. numbci of bald eagles counted per invenloiv in ihe Upper Illinois River Region. 197( Seasonal patterns of hald eagle octiirrence in the Central Illinois Rivei Region are ilhistiated in Figure 20. No census tliglits were toiuhuied from mid-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of the
. Distribution and abundance of winter populations of bald eagles in Illinois. Bald eagle. February 1988 Havera and Kruse: Winter Populations of Bald Eagles IS. I 15 29 12 DEC JAN Fig. numbci of bald eagles counted per invenloiv in ihe Upper Illinois River Region. 197( Seasonal patterns of hald eagle octiirrence in the Central Illinois Rivei Region are ilhistiated in Figure 20. No census tliglits were toiuhuied from mid-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Havera, Stephen P; Kruse, Glen W. [Champaign, Ill. ] : Illinois Natural History Survey
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