Vol. 24, Wo. 1 
Page 5 
Pheasants increased from an occ ‘! s '°"?' j^dhick en° C (6fTcocks) ^nd pheasants 
to 27* of the combined populations of prame ^'«^ d ^ rom non ' found duri „ 9 
(25 cocks) at Bogota by 1979- nests ( 27 ) and oheasant nests (12) found 
1963-6* to 31% of both P ra ! rl %“ n ea n s e a ^ t S s been’present in recent years 
in 1930. From 1 to 6 crowing cock ? Harassment of chickens on their 
on each of the 7 sanctuary unit ^ r asitism Q f chicken nests by pheasants 
iz irassri. f£ * '^‘Si¬ 
rs s kssws s.asw’M...»«. - 
pheasants on the Bogota Study Area. 
1979 and I9C0 to an average increased 60* during the same period to 
Kinmundy and Farina in Marion y , R . ovft.9 -2-3) Even the unmanaged flock 
the highest count (6k cocks) on record (l« L 23(^3) increased from k 
near Hoyleton in Washington County ( contrast to the predicted decline 
to 7 cocks (♦ 75 *) between 979 and 19o0 ^ * flock P in Har ,on County 
i liVSt: rTaHvely^st^ acco^ng to our preliminary booming ground surveys. 
Such factors as weather conditions, ' ’ s [^'ld^eTsimi 1 a/in 
on sanctuaries, and genet i c po ymorp^sm^ ^ one f act or, present in 
J« h pe J rTurtr d and a a^nrTn Harion County, that keeps coming to light as "bad 
^r^inois' primary flock of prairie chickens. 
Ecology and Management of W hite-ta jjed. Deer - V-S7-R 
C. M. Nixon, 
L. P. Hansen, 
J. E. Chelsvig 
The range of the deer herd In Illinois ^been^expand inland tl^populeti^ 
increasing over the last 25 y ear everv county in the state. Because little 
suitable habitat and can be oun expected and habitat is continually 
further expansion of the deer hero c neak. The similarity between 
being lost, the state deer herd may soon An Hitions suqqests this conclusion. 
1973 and 1930 gun kills under s.ll.rh«^ng ^ourcetncrease careful control 
As a peak is attained and demands on e resource becomes more critical 
of the harvest while allowing optimu stud i es and experimental management 
than in the past. However, detailed f eld studies an Department of 
strategies are beyond the budget and t ^ simulation modeling provide 
a°f easlM e°means°of“eva 1 uating'current herd trends and predicting the outcome of 
various management strategies. 
We will approach this analysis in 2 steps. 
harvest info ™f ;",“} le “^ fal e gu n P hunters have been required to bring 
Zul'nlT, county^ check'station^where sex, age, and other information are 
