CONCORD. 
1911 
March 22 
Fox Sparrows 
arrive 
Crow Blackbirds 
Yesterday was cold, with blustering North-west 
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 one suet 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 and Robins calling in 
the orchard. A Pheasant crowed in the Run. At Birch Field, 
about 9 A. M., I saw a large flock of Crow Blackbirds 
passing on 
migration 
Cow-bird 
arrives 
Red-polls 
First 
Butterflies 
flying over towards the North-east at a height of perhaps 
100 yards, evidently migrating. 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 air seemed filled 
for the space of half a minute or more by the swu e_ e songs 
of Red-polls. I failed to see them, but judged by the sound 
of their voices that there were a large number and that 
they were on wing. Their singing was very sweet. 
Butterflies were out in numbers about noon and 
later. All that I saw were of one kind -- the large,ragged¬ 
winged, orange-brown species which usually creeps from its 
winter quarters about this time. Gilbert found several of 
them fluttering against the inside of the window in the 
