Concord, Mass.
1912.
May 21
[May 21, 1912]

  Forenoon clear & warm with little or no wind. Birds singing
freely up to about noon. Afternoon cool with strong east wind.
Heavy thunder showers at evening & one last night about 12.15. Last
night very cool; almost frosty.

Heavy flight of north bound Warblers
First Bay breast, White crown S. [White-crowned Sparrow] & Cedarbirds

  Second heavy flight of Warblers for the month here
to-day, mostly Oven birds, Redstarts and Black polls. A
Bay-breast on Ball's H. [Ball's Hill] [?] and a White-crowned Sparrow at Farm
the latter in a blossoming apple tree listlessly probing the blossoms
with his pink bill - a fine, large tame bird in full plumage.
Three Cedar birds also among apple blossoms & also several Warblers
Black-polls (3 [males] 2 [females]), a Magnolia W. [Magnolia Warbler], Usnea W. [Usnea Warbler] and
a Maryland Yellow-throat, all in the orchard about
the flower garden at the rear of our house.

Chimney Swift in chamber of  farm house.

  In the house, fluttering at the window of the east chamber,
I found a Chimney Swift. When I released it outside it
flew straight off southward until lost to sight in distance.