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MONTHLY WILDLIFE RESEARCH LETTER 
Illinois Federal Aid Projects W- 66 -R and W- 87 -R 
Department of Conservation and Natural History Survey, Cooperating 
Glen C. Sanderson and Eva Steger, Editors 
FEB 1 2 1980 
LIRP/ipy 
Urbana, Illinois 
January, 1980 
Manipulation of Pheasant Habitat - W- 66 -R 
Vol. 23, No. 1 
R. E. Warner 
^n M n?° n9b !^ neS i ^ tudles were ' n ' t iated on the Ford County Management Unit 
(FCMU) in I 976 and have continued to date. Numbers of nests and species were 
T the ^ CMU f ° r 67 q uarter - m 'l e seeded roadside plots (42.4 acres) 
and 75 plots (35.6 acres) representative of strip and other uncultivated non- ' 
agricultural farmland. 
Densities of songbird nests in strip and nonagricultural farmland averaged 
LI . S 1 densities on the roadside vegetation averaged 1.3 
W,th K2 ' '' 3 ' a " d '’ 2 ^ '976, -977, and 
117 fQM\ ta] ° f 1,7 so " 9 blrd nests were located on the FCMU in 1979; 101 of the 
d ckcitse 1 ErnestO ° f red : W ' nged b,ackbirds * Nests of other species included: 
dickcissel (5 nests), ground-nesting sparrows (4 nests), indigo bunting (3 nests) 
brown thrasher (1 nest), short-billed marsh wren (I nest), and 2 unidentified ' 
nes l s• 
and f?«^r" tiC |. att “ ,ptS v t0 determlne ra t« of hatch and survival of nestlings 
e 'f "I d? Ve n °u conducted on the FCMU due to the time demands of 
, , studies. However, preliminary data indicate that slightly less than 
tHe neSt !" 9 attem P ts b y red-winged blackbirds were successful 
(hatched) in vegetation searched on the FCMU in 1979. 
Ecology and Management of Squirrels - W- 66 -R 
C. M. Nixon, 
L. P. Hansen 
The survival of juvenile fox squirrels born 
quite low; fewer than 30 % of those born are still 
6 months (MWRL 22(12):2). 
into an unexploited population is 
present in the population after 
ann ,r!l!!t ,s th ® fate Of the surviving juveniles? Most of these squirrels 
(c P p 10 VT*'" l ]OSe . the . area where they were weaned. Fifteen squirrels 
(5 9, 10 &) that we marked as juveniles were recaptured a year or more later an 
?r^?? ^ " I*" 9 ! °- 3 °° m) f ™ their capture y site; tMs distant 
simHii average range of resident squirrels on the study area. A 
and ! for 9 ra y squirrels in an urban population in Canada 
d a population inhabiting an extensive old-growth forest In North Carolina. 
