6 PN ASU DUB OUN BB Use ie 
Figure 10. Three adult eagles 
were captured during late 
winter. After removing the 
bird from the trap (a device: 
which did not injure the bird 
in any way) we placed a 
hood over its head and slip- 
ped it into a knit cone (note 
arrow). At the car the bird 
was weighed, measured, 
sexed; its plumage was ex- 
amined; it was checked for 
parasites; its tail was col- 
ored with an aniline dye, and 
finally it was released. Newspapers published articles supplied by the National 
Audubon Society requesting that people observing color-marked eagles contact the 
Society or the author. Three reports were received; one was from Rapid City, 
South Dakota. 
This winter we will continue the project, and in addition to color-marking 
eagles, we plan to attach miniature radio tracking devices. By means of these 
transmitters and elaborate receiving equipment we hope to obtain additional infor- 
mation about movements of the birds in relation to environmental conditions. The 
author is on the left and James Tate is on the right. 
Department of Biological Sciences, Northern Illinois University, DeKalb, Ill. 
fl na ff ras 
CHRISTMAS BIRD COUNTS — 1962 
AGAIN THIS YEAR the Society and its affiliated bird clubs will conduct 
about 20 Christmas Censuses of birds in our state and adjoining areas. 
The census period is from Dec. 22, 1962, through January 6, 1963. Reports 
must be sent in by Jan. 15, 19638, to Mr. William EH. Southern, Department 
of Biological Sciences, Northern Illinois University, DeKalb, Illinois. Do 
not send your Christmas Reports to the Bulletin Editor in Glen Ellyn and 
NEVER send articles or reports of any kind to the Chicago Natural His- 
tory Museum. 
Follow the basic National Audubon Society requirements for your 
censuses — 15-mile diameter area, varied terrain, eight or more hours in 
the field, three or more observers if possible. One-spot observations, such 
as at a bird feeder, should be combined with a report covering the 15-mile 
circle in which the feeder is located. This year we plan to publish the re- 
ports in a table, as we did in the March 1962 Audubon Bulletin. However, 
you will still have to list all essential details as before — name of area, 
type of landscape, date, time, weather, wind, temperature, ground condi- 
tions, number of observers, number of parties, party-hours, and number 
of party-miles on foot and by car. Then give the names and counts of each 
species seen, in A.O.U. order, please — meaning the order in your Peter- 
son’s Field Guide or in last year’s table. Next give names of participants 
and the compiler, with verification of unusual records at the end. 
See the list of affiliates on the inside back cover if you wish to take 
part in a census with a bird club in your vicinity. In the Chicago area, 
the Chicago Ornithological Society Census will be on Dec. 30 at the Mor- 
ton Arboretum near Lisle, Illinois, meeting at the Administration Build- 
ing at 9:00 a.m. Good birding, Merry Christmas, and a Happy se! Year 
to all of prot 
