. Fig. tuiiiiIki of califs lounU'd per imciildi v in tlu- tapper Mississippi Ri\ir Region, l<l72-l'.l,Sli. Peak, population counts occurred each year be- tween 11 December and 7 March. The largest number of eagles seen on a single day was 180 on 5 January 1984 and again on 2 December 1985. Immatine birds ranged between 0 and of the eagles seen on individual flights whereas the overall proportion of immatures censused in this region was Mean counts per inventory on individual areas are shown in Figure 11. are found throughout this region, but the
. Fig. tuiiiiIki of califs lounU'd per imciildi v in tlu- tapper Mississippi Ri\ir Region, l<l72-l'.l,Sli. Peak, population counts occurred each year be- tween 11 December and 7 March. The largest number of eagles seen on a single day was 180 on 5 January 1984 and again on 2 December 1985. Immatine birds ranged between 0 and of the eagles seen on individual flights whereas the overall proportion of immatures censused in this region was Mean counts per inventory on individual areas are shown in Figure 11. are found throughout this region, but the areas between Ft. Madison. Iowa, and Keokuk, Iowa, generally hosted the most birds (Fig. 11, Appendix). The average density of bald eagles in the Upper Central Mississippi River Region was bird per river mile or per scjuare mile of wetland habitat. Lower Central Mississippi River Region. The Lower Central Mississippi River Region extends from Keokuk, Iowa, southward to Cirafton, Illinois, and in- cludes the lower 26 miles ot the Illinois River (Fig. 6). This region also was censused from 120 to 130 titnes between 1972 and 1986. Census fiights were made during September through December from 1972 to LockandDamie Muscatine LockandDamI?
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