106 EVERYDAY ADVENTURES 
mass of wool and build a nest at least a hundred times 
larger than itself. It was not until a month later 
that he was reluctantly convinced that what he had 
found was the nest of a deer-mouse. 
That afternoon we skirted the little lake and saw, 
not forty feet above us, a bald eagle flying down 
toward us with its snowy neck and pure white tail. 
He flew with four or five quick flaps, and then would 
soar. In the distance we saw another eagle pursued 
by a scurrilous cawing crow. The eagle flew over to 
the shore, and alighted and drank, and then, standing 
on the edge of the water, seemed to be fishing. His 
pursuer also alighted just behind him, and walked 
close up. Every time the eagle would turn, the crow 
would scuttle off, like some little blackguard boy 
following and reviling one of his elders. Several 
times the crow flew over the head of the eagle and 
tried to gain courage enough to make a dab at him. 
Through it all the king of birds paid absolutely no 
attention to his tormentor. The comparison of the 
crow with the eagle gave some idea of the size of 
the latter. He seemed over three times as large as 
the crow. 
It was the Banker again, on the other side of the 
lake, who made the next discovery. We were hunting 
a little apart through the woods, when he announced 
from where he stood that he had just caught a glimpse 
of a Brewster’s warbler. For the benefit of other bird- 
students who are in my class, let me write what I 
learned that day in regard to said bird. A Brewster’s 
warbler is the rare hybrid between the golden-winged 
