1893  
April
Concord, Massachusetts.
1. Merula migratoria  1(4)_2(2 singing)_3(2 singing)_4(3 singing)_7(10 singing)_8(71 singing, counted)_9(10)_10(30 singing)_11(3 singing)_12(6 singing)
19(1 singing)_20(4)_21(4 singing)_23(6 singing)_24(3 singing)_25(8 singing)_26(10 singing)_27(8 singing)_28(6 singing)_29(15 singing, building)_30([female] on nest).
2. Sialia sialis 1(8 singing)_2(6? singing)_3(4)_4(2 singing)_7(3 [females])_8(3 singing)_9(3)_10(4 singing)_11(2 singing)_12(2 singing)_19(6)_21(4 singing, [esp?])
22(1 singing)_23(2)_26(3)_27(1 singing)_29(2 singing)_30(2 singing).
3. Parua atricapillus  1(2)_2(2)_3(2)_4(3)_8(2 singing)_9(2 singing)_10(1 singing)_11(1 singing)_21(2)_22(2)_23(2)
25(2 singing)_27(1)_28(2)_30(2).
4. Tachycineta bicolor  1(1)_2(3, 2)_4(9, 1)_9(8, 1)_10(2)_12(3)_21(3, 1)_22(10)_23(15)
24(6)_25(10)_26(2)_27(2)_28(6)_29(5)_30(5).
5. Melospiza fasciata  1(12 singing)_2(6 singing)_3(6 singing)_4(15 singing)_7(30)_8(50 singing)_9(30 singing)_10(35 singing)_11(15 singing)_12(2 singing)_20(1 singing)
21(6 singing)_22(3 singing)_23(4 singing)_24(8 singing)_25(10 singing)_26(8 singing)_27(6 singing)_28(4 singing)_29(6 singing)_30(3 singing).
6. Spizella monticola  1(15, 2)_2(6 singing)_3(5, 12, singing)_4(3)_6(2)_7(4 singing)_8(6 singing)_9(3)__10(10singing)_11(2)_20(1 singing)
22(2 singing)
7. Junco hyemalis 1(15 singing)_2(3)_3(5)_7(20)_8(75 singing)_9(4[males],1[female])_10(100)_11(h[ear]d)_22(5, 1, singing)
23(3 [males])_24(5 singing)_26(3, 2)_28(3)_29(1)_30(3, 1, 2, Not seen after this)
8. Passerella iliaca 1(1)_3(2)_4(2)_7(20 singing)_8(80 singing)_9(14, 10, singing)_10(30 singing)_11(2)_22(1)
9. Pooecetes granineus  1(1 singing)_2(3)_7(1 singing)_8([delete]50?[/delete] 1 singing)_9(1 singing)_10(1 singing)_11(1 singing)_12(1 singing)_19(1 singing)_20(1 singing, oak woods Ball's H[ill])
21(3 singing)_22(2 singing)_29(3 singing)_30(3 singing).
10. Spinus tristis  2(1, 5)_10(1)_24(3).
11. Sayornis phoebe 1(1 singing, Manse)_2(2 singing, Ball's H[ill])_4(1 Balls' H[ill])_7(1)_8(2)_9(4)_12(1 singing)_21(3 singing)_22(1)
25([male][female])_27(1 Ball's H[ill])_29(2, 1 singing).
12. Sturnella magna 1(1 singing)_6(3)_8(1)_11(1 singing)_29(1 singing)_30(2 singing).
13. Agelaius phoenicius  1(30, 15 mig[rants])_2(10 singing)_3(15 singing)_4(30 singing)_6(10)_7(6 singing)_8(50 singing)_9(15 singing)_10(6)_11(20 singing)_20(fl[oc]k singing)
21(6 singing)_22(20)_23(6 singing)_24(6 singing)_25(25 singing)_26(3 singing)_27(4 singing)_28(8 singing)_29(15 singing)_30(10 singing)_(No females this month)
14. Scolecophagus carolinus  1(32 mig[rants])_2(60 c., 1)_3(2)_4(3)_6(h[ear]d)_7(h[ear]d)_8(10)_10(6)_11(10)_12(4)
21(3)_22(h[ear]d)_24(h[ear]d)_29(6, 14).
15. Corvus americanus 1(10)_2(10)_3(8)_4(6)_6(4)_7(6)_8(6)_9(8)_10(6)_11(8)_12(4)
20(6)_21(4)_22(6)_23(6)_24(4)_25(8)_26(4)_27(2)_28(4)_29(6 clock note).