Lancaster, Mass.
1903.
June 19 - 20
1. Sialia sialis.- June 20: 3 in a flock
2. Merula migratoria.- June 19: 30; June 20.
3. Sitta carolinensis.- June 20: 2 in a flock (Cemetery)
4. Dendroica aestiva.- June 19: 6 in full song; June 20: 8 in full song
5. Dendroica vigorsii.- June 20: 1 in full song (Cemetery)
6. Geothlypis trichas.- June 19: 1 in full song; June 20: 1 in full song
7. Setophaga.- June 19: 2 in full song; June 20: 2 in full song
8. Vireo olivaceus.- June 19: 2 in full song; June 20: 2 in full song 
9. Vireo flavifrons.- June 19: 1 in full song; June 20: 1 in full song
10. Vireo gilvus.- June 19: 2 in full song; June 20: 2 in full song
11. Ampelis cedrorum.- June 19: 2
12. Piranga erythromelas.- June 20: 1 in full song
13. Hirundo horroreum.- June 19: 8; June 20: 4
14. Tachycineta bicolor.- June 19: 2; June 20: 2
15. Cotile riparia.- June 19: 2 in a flock, 108 holes raided by Merricks; June 20: 12 in a flock
16. Carpodacus.- June 19: 1 in full song
17. Coturniculus passerinus.- June 19: 1 in full song (J.E. Theyer's (?) field)
18. Spizella socialis.- June 19: 1 in full song
19. Melospiza melodia.- June 19: 10 in full song; June 20: 8 in full song
20. Habia ludoviciana.- June 19: 1 in full song; June 20: 1 in full song (Cemetery Lane)
21. Cyanospiza cyanea.- June 20: 1 in full song
22. Dolichonyx oryzivorus.- June 19: 10 in full song; June 20: 10 in full song
23. Agelaius phoeniceus.- June 19: 1 in full song male
24. Icterus galbula .- June 19: 2 males in full song, 2 broods of young in nest
25. Corvus americanus.- June 19: 2; June 20: 2
26. Sturnella magna.- June 19: 10; June 20: 6
27. Contopus virens.- June 19: 1 in full song; June 20: 2 in full song
28. Tyrannus tyrannus.- June 19: 4; June 20: 4
29. Sayornis phoebe.- June 19: 3 juveniles in a flock
30. Empidonax minimus.- June 19: 1 in full song
31. Harporhynchus rufus.- June 20: 1 in full song
32. Galeoscoptes carolinensis.- June 19: 19 females and 2 juveniles on wing; June 20: 1 in full song
33. Ceryle alcyon.- June 19: 1; June 20: 2
34. Coloptes auratus.- June 19: 1; June 20: 2 in full song
35. Falco sparverius.- June 19: female (J.E. Thayer)
36. Actitis macularia.- June 19: 2; June 20: 1 