1893. April
Concord, Massachusetts

46. Botaurus minor  11(1)_25(1 singing, daybreak)_27(1 singing, 5 P.M.)_30(1 singing, 3 P.M.)

47. Spizella socialis  11(1 singing)_20(1 singing)_21(2 singing)_22(1 singing)_23(1 singing)_27(1 singing)_28(1 singing)_29(4 singing)_30(2 singing)

48. Dendroica p. hypochrysea  20(1)_21(5, 1 singing)_22(15)_23(1 singing)_24(15 singing)_25(12 c, 20)_26(10)_27(8)
                                                  28(6 singing)_29(2 singing)_30(2)
49. Bonasa umbrella 19(1, Sandy P.)_20(1 Davis H[ill])_22(1 singing)_29(2 singing, 1 seen)

50. Spizella pusilla  21(1 singing)_24(1 singing)_26(3)_29(2 singing)_30(2 singing)

52. Ammodramus savannah*[savannah]  21(2)_28(1 singing)_30(1 singing)

53. Melospiza georgina  21(1 chirping)_27(1)_29(1)

54. Regulus satrapa  21(1)_29(2)

55. Regulus calendula  21(1)_23(1)_24(2 singing, [male])_25(3 singing)_26(1)_27(3)_28(5 singing)_29(2 singing)_30(1)

56. Hirundo erythrogaster  22(6 singing)_24(3)_25(20)_28(15)_29(15)_30(10).

57. Progue purpurea  22(1 singing)_24([male])_28(2 [male])_29(6)_30(1 singing)

58. Dendroica coronate  22(8 singing)_24(3 singing)_25(20 [male])_26(10 [male])_27(20 [male])_28(6 singing)_29(6 singing)_30(8 singing)

59. Vireo solitaries  24([male] singing)_28([male] singing)_29([male] [female])_30(1 singing)

60. Zonotrichia albicollis  24(1 gray throat)_28(1 ad[ult])_29(2 ad[ults])

61. Carpodacus purpureus  22(1 singing)_25(1 singing)_26(1 singing)_28(1 singing)_29(2 singing)_30(1 singing)