CONCORD. 
1906 
July 15 
\o^y T? 
[_(!) spent the forenoon in the Ball's Hill region. 
In the afternoon (l) walked to the farm by way of Beneen’s, 
returning at evening via Birch Field, Prescott's Pines 
and Davis Hill. 
Forhush tells me that he has seen a hen Partridge 
and 3 yoxmg nearly every day the past week on the very edge 
of the river along the foot of Ball's Hill. I started 
them three times to-day, twice in the forenoon and once 
about 7 P, M. On all three occasions they rose from the 
bushes at the water's edge not far from Birch gate. 
As I was crossing the Barrett meadow this morning, 
I heard two Red-shouldered Hawks screaming almost con¬ 
tinuously on the westernmost knoll of the Blakeman land. 
Following up the sound, I started what looked like a yoimg 
or immature bird which flew off screaming. At the same 
moment I saw a Gray Squirrel moving about with apparent 
unconcern within 20 feet of the perch which the Hawk 
had just left. This perch, a dead and leaning tree, was 
literally covered with hawk down and the ground beneath 
it was vmite with chalky excrement and littered with 
pellets. About thirty yards off was an almost continuous 
ring of chalk marks encircling an oak about 40 feet in 
height and 10 or 12 inches through at the base. In a fork 
of this oak, perhaps 25 feet above the groiind, was a nest 
smaller than a Crow's (indeed, scarce larger than a Green 
Heron's) but made chiefly of sticks and constructed after 
the usuad pattern of a Hawk's nest, I have never before 
