Lancaster, Mass.
1901.
May
  Trochilus colubris: May 15, 3
  Chaetura pelagica: May 14, heard; May 15, 15; May 16, 15; May 23, 20; May 29, 10; May 30, 15; May 31, 6
  Dryobates pubescens: May 15, 1; May 16, 2
  Colaptes auratus: May 14, 1 in full song; May 15, 6; May 16, 6; May 20, 2; May 23, 1; May 30, 1 in full song
  Ceryle alcyon: May 15, 1; May 24, 1
  Coccyzus erythropthalmus: May 15, 2 in full song; May 16, 2 in full song
  Zenaidura macroura: May 16, 1 in full song Shirley Road burnt land
  Actitis macularia: May 15, 2; May 19, 4; May 20, 2; May 23, 1; May 31, 1
  Pooecetes gramineus: May 15, 4 in full song; May 15, 2 in full song
  Antrostomus vociferus: May 23, 1 in full song 10 P.M.; May 24, 1 in full song daybreak, Robins in full song at time; May 30, 1 in full song in Cemetary
  Dendroica castanea: May 24, adult male in full song in Cemetery (in balsam fir.)
  Chordeiles virginianus: May 24, 2 heard peeping; May 30, 1 heard peeping; May 31, 1 heard peeping
  Empidonax t. alnorum: May 31, 1 in full song in orchard near Miss Holman's
35