. Distribution and abundance of winter populations of bald eagles in Illinois. Bald eagle. February 1988 Havera and Kruse: Winter Populations of Bald Eagles 21. Horseshoe Lake Fig. ol bald eagle iiiglil rooMs idciuilicd bv Diiiislaii ami Kauksd981). .Sabine and Klinistia (I9,S.')). Robeil l'liel|)s (per- sonal (omnHMiicalion 19H(i). |obn (Irigsln (personal (onniuMMca- lion I'.'o. and |.inies (pcisonal i oMUniinic .ilion I'.ISli). was cl(.sti()\i(l l)\ liij^li winds, but the oiIr'i |)1(>(1iih-(1 two youn^ in 19X2, two in 1983, and one in 1981. This second nest wa
. Distribution and abundance of winter populations of bald eagles in Illinois. Bald eagle. February 1988 Havera and Kruse: Winter Populations of Bald Eagles 21. Horseshoe Lake Fig. ol bald eagle iiiglil rooMs idciuilicd bv Diiiislaii ami Kauksd981). .Sabine and Klinistia (I9,S.')). Robeil l'liel|)s (per- sonal (omnHMiicalion 19H(i). |obn (Irigsln (personal (onniuMMca- lion I'.'o. and |.inies (pcisonal i oMUniinic .ilion I'.ISli). was cl(.sti()\i(l l)\ liij^li winds, but the oiIr'i |)1(>(1iih-(1 two youn^ in 19X2, two in 1983, and one in 1981. This second nest was blown to the ground in 198') and ncj young were produced. Two nests were (on- strueled at CX)\VVR in the spring of 1987. Two young Hedged Iroin one nest, and one young fledged from liieoilui. 1 wo neslsweie also(oiisiI uded a! CONW'R in llie spring of 1987. Two voung fledged from one nesi and one young was killed in a sloini jusl before fledging fiom the oilier nesi. Allliougli (X)\\VR has lediilh been ihc inosi |)i(>- (hulive eagle nesliiig area in Illinois, the liisi sniiess- ful !iest was at Horseshoe Lake in Alexander Coiuii). Two yoiuig were produced from a single nesi ai Horseshoe Lake in 1978. NosubsecjuenI nesting a(li\ â ity was obseivt-d in that area until 1987 wlien a new nest was constructed but no Noung wcic flc'dged. Nesting activity has l)een seen at the Savanna Army Depot each yeai since 1978. A nest was constructed in 1978, enlaiged in 1979, blown down in 1980, and replaced by a new nest in 1981. Kggs were laid and incubated in 1982, but it is not known if the eggs hatched. The nest was again destroyed by wind in 198;^ and rebuilt in 1984. The first successful use of this nest was in 1985 when one eaglet fledged. Othei bald eagle nest construction has been seen at Union (louiity vation Area in 1974 and 1980 and at Rend Lake in 1982 and 1983, but no young were pioduced from these nests. Although bald eagles are occasionalh' seen during the late spr
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