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% REPORT ON BIRD POPULATION IN ILLINOIS + 
x% A COMPARATIVE STUDY OF BIRD POPULATIONS IN TLLINOIS,1906- * 
% 1909 and 1956-1958, by Richard R.Graber and Jean W,Graber % 
% has been published by the Illinois Natural History Survey. * 
% The book was reviewed in the Sept, 1963 Audubon Bulletin, * 
% This 146-page report on Illinois bird populations was # 
% based on the strip censuses separated by about a half + 
% century. The population of each important species is % 
* given in relation to important habitats and time of year, * 
%  $1,00 per copy. Make remittances payable to Treasurer, % 
| % State of Illinois, and send to Illinois Natural History * 
* Survey, Room 182, Natural Resources Bldg., Urbana, Ill, * 
3 * 
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"THE AUDUBON CAMP OF WISCONSIN".. .16MM SOUND FILM IN COLOR AVAILABLE 
"Within the beauty and diversity of nature, all things are interdependent. 
Nothing in nature stands alone," These are the opening words and the essence of 
this beautiful film that pictures the daily life of the students, the surrounding 
country, and the plants and animals to be found at the Audubon Camp of Wisconsin, 
Available from National Audubon Society, 1130 Fifth Ave,, N.Y. Handling and 
shipping charges, $2.00. 
NATURE PROVIDES NAVIGATIONAL GUIDE 
A University of Florida professor, as reported in a bulletin from the National 
Wildlife Federation, says the Arctic-nesting Golden Plover has an "internal 
clock" which enables the bird to relate the position of the sun and stars to 
latitude and longitude on Earth, This permits it to navigate toward its seasonal 
goal, In the winter it dwells on small islands in the southern Pacific. 
ILLINOIS BEACH STATE PARK PHOTOGRAPHY CONTEST 
June 30th is the closing date for submitting photographs, either black and white, or 
color prints and slides, of subjects taken in Illinois Beach State Park, Grand 
! prize is $50, For entry blanks and details, contact Illinois Beach State Park 
| Lodge, Zion, Ill. 
ILLINOIS PARK VISITORS SET R&CORD IN 1963 
i Visitors to the 68 Illinois state parks, memorials, and conservation areas set a 
| new record for 1963: 13,992,664 as against 10,761,249 for 1962...This exceeds 
the previous high of 11,823,529 recorded in 1957. 
Lj NBOOMING GROUND NEWS" TO BE ISSUED TWICE YEARLY 
Dr, Glen C, Sanderson, Acting Head, Section of Wildlife Research, Illinois 
Natural History Survey, Urbana, has been named Editor of The "Booming Ground News", 
i sponsored by the Prairie Chicken Foundation of Illinois, Other members of the 
News Committee are: Royal McClelland, publicity chairman; James_Lockhart, pro- 
ducer; Vera Shaw, sanctuary reporter;Katy Hamrick, reporter, News items should 
be addressed to Dr. Glen Sanderson, Natural History Survey, Urbana, 

