Concord, Mass.
1911.
May 4
(No 2)
[May 4, 1911]

and slowly at a height of about forty feet. A dozen or
more Robins rose from various parts of the field the
moment he came fairly in sight and made off high in air
in various directions with shrill, excited cries but he paid
not the least attention to them seeming to realize that they
had too long a start of him to be worth pursuing.

Love song of Screech Owl

  Just as I was leaving the Ritchie place a Screech Owl
uttered the love song in the direction of Bensen's & apparently
in the trees along the road where it dips into the first hollow.
I heard him a dozen times or more afterwards when I
was in our peach orchard and he apparently in the same place
as at first. His long rolling cry (bub-bub-bub-bub-bub-bub)
sounded very like the peculiar throbbing made by automobiles.
It was seldom given much oftener than once every four
or five minutes. When he began it the sun was still
above the horizon & shining brightly.