IOWA ACADEMY OP SCIENCE 
201 
count. On one occasion, I saw one of the hawks make an attempt to capture 
a chick, hut she failed to secure it. 
A pair of blue jays had their nest in a tree near to that occupied by the 
Sparrow hawks, but were undisturbed. The hawks and jays were observed 
to make common cause against a crow that alighted in a nearby tree. I could 
not see that any of the birds nesting in the grove were disturbed in the least, 
all the food being taken from the fields near by. 
