Birds in our Garden, Cambridge. [Cambridge, Massachusetts]
APRIL [April 1916].

1 Robin April 1: 2 [males] [in a flock] [in full song] on lawn; April 2: 2; April 3: [2 males] [1 female] [in full song]; April 13: sev. [several] calling at eve [evening]; April 14: 3 [in flight]
2 Song Sparrow April 1: 1 [in full song]
3 [Fox Sparrow] April 1: 3 [in weak song]; April 3: 1 [in weak song]; April 13: 1 [in full song] In full song at sunset; April 14: 1 [in full song]
4 White thr. [White-throated Sparrow] April 1: 1 [in weak song]; April 2: 1 im [immature]; April 3: 1 ad [adult] 2 im [immature] [in a flock] [in weak song]; April 13: 1 or 2 chirping; April 14: 1 [in full song]
5 Purple Finch April 1: 1 [in weak song]; April 2: 1 [in weak song]; April 3: 3 ad [adult] [males] [in a flock], 4 gray; April 4: 1 [in full song]; April 13: several, 1 [in full song]; April 14: 5 gray, 1 [in full song]
6 House Sparrow April 1: 12+; April 2: 15+ [in full song]
7 Downy Wood'p'r [Downy Woodpecker] April 1: [female]; April 2 [female]
8 Blue Jay April 1: 2; April 2: 2; April 3: 2; April 13: 1
9 Bronzed Grackle April 1: 3 [in a flock]; April 2: 9 [in a flock]; April 3: 6; April 13: hd [heard]
10 Crow April 1: 5 [in flight]; April 2: 5 [in flight]; April 3: 2 [in flight]; April 13: hd [heard]; April 14: hd [heard]
12 Flicker April 3: 1 [in full song]
13 Cedar bird April 4: 8 [in a flock] [in flight]