Birds in our Garden, Cambridge.
APRIL [April 1915]
1. Robin April 4: 1 [male]; April 5: [male]; April 10: [male in full song]; April 11: 4 [males] [in a flock] fighting on lawn, 2 [males] [in full song] full song at eve. [evening]; April 12: 4 [in full song]; April 23: 1 [in full song]; April 24: 1; April 25: [male] [female] [in full song]
2. Blue Jay April 3: 2; April 4: 2; April 5: 2 [in full song]; April 10: 4 [in a flock]; April 11: 4; April 12: 4; April 25: 2 [in a flock]
3. Downy W. [Downy Woodpecker] April 4: hd [heard];  April 5: hd. [heard]
4 Crow Blackbird April 4: 30+ [in a flock]; April 5: 8+ [in a flock]; April 10: 6; April 11: 6; April 12: 4; April 23: [male and female in a flock]; April 24: 6 [in a flock] [in flight]; April 25: sev. [several] [in flight]
5 Fox Sparrow April 4: 1; April 5: 1
6 [House Sparrow] April 4: 30+; April 5: 10+;  April 10: 20+; April 11: 12+; April 12: 15+; April 24: 4; April 25: hd [heard]
7 Purple Finch April 4: 2 gray birds in P. apple [Parkman crab apple]
8 Cowbird April 4: [male] feeding with House Sparrow on hemp seed in space cleared of snow.
9 Junco April 5: 1
10 Crow April 5: 1 [in flight]; April 10: 1 [in flight]; April 11 hd. [heard]; April 12: 2 [in flight]; April 24 :8 [in a flock] [in flight]; April 25: hd [heard]
11 Cedar bird April 10: 40+ [in a flock] spent whole day in Jungle eating Park apples [Parkman crab apple]; April 11: 15 [in a flock] [spent whole day in Jungle eating Parkman crab apple]; April 12: 8 [in a flock] [spent whole day in Jungle eating Parkman crab apple]. One found dead; April 24: 22 [in a flock] C. in hackberry Jungle; April 25: 4 [in a flock]
12 Hermit Thrush April 10: 1 silent bird by pond at eve.
13 Flicker April 10: 1 [in full song]; April 11: 1 [in full song]; April 12: 1 [in full song]
14 Ruby-Crown Kinglet [Ruby-crowned Kinglet] April 25: [male and female in a flock] [in full song] ([male] showing ruby crest)