Concord, Mass.
1911.
March 22
[March 22, 1911]

  Partly sunny, largely cloudy. Rain at evening. Very warm after
10 A.M. (ther. [thermometer] rising to 58 [degrees]), although the ground froze last night.
Light southerly to easterly wind. Snow & ice melting fast, even in woods.

Fox Sparrows arrive
Crow Blackbirds passing on migration
Cowbird arrives.

  Yesterday was cold with blustering N.W. [northwest] wind and very little bird
or other life in evidence, even in sheltered woods. To-day was
very mild and spring-like with superabundant life of various kinds.
At breakfast time I saw collected at our seed bed six Fox
Sparrows, 6 Juncos, 2 Nuthatches, 3 Chickadees while 8 Robins, all
handsome red-breasted, black-headed males, were running about
over the grassy bank in front of the house. When I started out
a little later Bluebirds were warbling in several directions & 
Robins calling in the orchard. A Pheasant crossed in the Run.
At Birch Field, about 9 A.M., I saw a large flock of Crow
Blackbirds flying over towards the N.E. [northeast] at a height of
perhaps 100 yards, evidently migratory. I counted 50 birds.
Not long after this I heard the spring flight call of a 
Cow-bird given several times. A little later the