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FROM THE AUDUBON LOG OF THE NORTHEASTERN-WISCONSIN-AUDUBON-SOCIETY 
DE TAU UDUNMOOU LETT 
On the Bluebird Trail near Cadillac, Michigan, bluebirds by the flock were seen 
every day, Talks with farmerSin the area revealed that there are bluebirds in 
large numbers where no man-made boxes or nesting sites have been installed, The 
answer was found in the old, rotted fence posts on the run-down farms, There were 
cavities everywhere for the bluebird to build its nest; also, there were large 
numbers of old apple trees on every farm, where no spray was used, 
THE FOLLOWING PUBLICATIONS ARE AVATLAPIE: 
A useful booklet entitled, "Action for Outdoor Recreation for America," is avail- 
able from The Citizens Committee for ths CRREC Report, 1001 Connecticut Ave., 
Washington, D.C. 20036, Single copies frees 10 or more, lO¢ per copy, 
The Bureau of Land Manegement, Department of the Interior, has published an 
attractive booklet with full-color illustrations on "Wildlife on the Public Lands," 
It can be ordered at 35¢ per copy from the Superintendent of Documents, Government 
Printing Office, Washington, D,C, 29240. 
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FIRST SEMINDER: 






BLUEBIRDS COME EARLY$ POTENTIAL TENANTS CHECK LEASES EARLY IN MARCH. HAVE 
PREMISES AVAILABLE IN SUCH CHOICE LOC..TIONS AS OPEN FIELDS FAR FROM BUILDINGS 
ENTRANCE 5' to 10! HIGH, FACING SOUTH OR EAST, } MILE APART, 
cn ee rns oes 

HOPE FOR THE ELMS 
A new chemical has been found which apparently can stop the progress of Dutch elm 
disease, it was reported at the recent 148th National Meeting of the American 
Chemical Society, The compound is known chemically as a nitro-alkyl-benzylthio~ 
alkylamine, It was tested after it was found to be active in laboratory tests 
against the fungus that causes Dutch elm disease, 
IF YOU HEAR STRANGE SOUNDS oN YOUR RADIO IT MAY BE.o. 
e+e wandering deer, The illinois Natural History Survey is tracing the movements 
of 50 deer on the Dixon Springs Agricultural Center in Pope and Johnson counties, 
Miniature transmitting radios that will last two years are fastened around the 
necks of the animals, The signals are picked up by two towers, and information is 
relayed to a processing center in Urbana, The data will throw light on such 
questions as; how large a population can be maintained on a given area; how to 
manage desirable species as game resources; and determining the potential of deer . 
as carriers of diseases (both animal and human), 
NOTES ON ILLINOIS WILDLIFE 
The Great Horned Owl lives in pine woods, Swamp forests, prairie hammocks, and 
other woodlands throughout Illinois,..is often called cat owl or hoot owl,.,is 
large and powerful, varying in length from 18 to £5 inches with a wingspread of 
30 to 60 inches, It is sometimes confused with the Barred Owl, another big owl 
found in Illinois, Barred Qwls lack ear tufts or "horns" and have dark or brow 
eyes, Great Horned Owls have yellow eyes. Horned Owls lay 2 to 3 chicken-size 
white eggs in old hawk, crow or eagle nests from the middle of December to 
February. Eggs hatch in 4 weeks; downy owlets remain in nest for about a month, 

