voi. 2no. n 
Page 3 
for 100 % of the chicken nests found in both laRn =, n H loqi ,hi . 
acreages were searched on the peripheral units (32? oAlS acreTanV^rof^qy 
acHvlJes P breh?'k ' Th ' S C °" centrat, °n of both nesting and booming ground 337 
activities by chickens may reflect Gause's principle of competitive exclusion 
n our situation, the principle involves the restriction of nrai • 
a reduced range (Yeatter-Field-McGraw and Donnelley sanctuaries) ^here 'fhT t0 
apparently sustain son* advantage over competing Hng-necked ^hLsantl. tf 
rh V h nt r aspec ', flc competition among prairie chickens were involved at tioaota 
the booming cocks and nesting hens should show a greater tendency to sustaTn 
Pheasants her Periphera ' aa "ctuaries largely or wholly abandoned s nee 
pheasants became common at Bogota. 
E cology and Management of Mh ?te-tailed Deer - W-87-R 
C.M. Mixon, 
J.E. Chelsvig, 
L.P. Hansen 
P. A. 
Brewer 
toPn n?' y !u- dU,t m f! S W3S captured ia Allerton Park during winter traonino in 
1%0-Pl This yearling buck was fitted with a radio-transmitter coHar and 
rrr\»T ‘"d Wi - ter ; ^ ne- hundred-twenty-one locaUons *re recorded 
tor this individual—a daytime location nearly every dav and a nl«hff L 1 !• 
on 3-1, consecutive nights every 2 weeks. TlJwinteG range of\h if ZT ^ 
determined by the minimum area method, was I 38 hectares (34l aerps) rrir I c -,i ki 
larger than the mean range matured fir does’'an/fl^T| 
On 1G April this radio-monitored buck shifted his ranqe 2 6 km (h ? 
iStVhTI ^^is^su^r^range. it waH^ ti^b^to'’ 
weak 
1 _ » u was nearly impossible 1 
precisely because of the increased distance from the studv area a 
transmitter Signal, and dense vegetation. We estimated his Iru-at-i * , 
he appeared to be relatively sedentary until 10 Seotemhpr urn locations and 
found on his former winter range From ?hlt tij ™ 131,1 when he was 
extensive. For example, on 16 November between 1700Gnd^^^hours T* ^ 
approximately 6 . 1 , km ( 6.0 mi) up river past Kont cello ^ 6 m ? ved 
he was back down river near where he'had" parted' thl ^ev o^ nig^t Tull?’ 
longer movements are believed to be related to the breeding season v»I *m 
continue to monitor this buck through the hunting season and for as lonq as 
the equipment continues to function and the deer survives. 9 
Cooperative V /a ter fowl Research - W-3C-R 
F.C. Be 11 rose, S.P, Hayera, 
G.A. Perkins, H.K, Archer 
p e c„rd p rl^f a n -TT °J ! 901 were quite unusual in the Illinois River valley 
Record rainfall in the drainage basin maintained river levels at or above flood 
The"rIver^eve^peaked'at iTnW? T* °f, AP H rn thr ° U9h the end ° f Auqu5t ‘ 
Of May. This prolonged high .-tir’L of'tte ^ 
communities and avian migrants of the river valley. P 
