Mating of buteo lineatus - sensual notes
Unknown voice
1876.
(March 28 [March 28, 1876])
George Frazer and Morrison occupied last
season. After investigating the domestic
arrangements of the absent proprietors
to our complete satisfaction we eat [ate] 
dinner in a sunny spot near the
hut and while so engaged I was
much surprised to hear my unknown
fall voice from a swamp near at hand
and uttered by at least two different
individuals and so directly that I
was sure of the identity of the unknown
author. I believe I noted this same
voice on one or two occasions last year
in April. Here we also heard a pair
of Buteo lineatus making a great outcry.
They commenced with the usual queeo
then one ran this note through a series
of variations some of which were short hoarse
screams and others choking crys [cries] almost
like the stifled utterances of a child under-
going strangulation, while the other bird
kept up the usual screaming. These
crys were some of them perfectly diabolical;
The birds were either fighting or mating
presumably the latter, though the density
of the intervening pines prevented us
from getting sight of their evolutions, for
the sound plainly indicated that they
were on wing at the time. Going to the
place in hopes of getting a shot I 
found what I am very sure was
their nest in process of construction.
It was placed in a large pine some
40 ft. [feet] up and had a very fresh look.
Under the tree were a good many