Antrostomus voeiferus. 
1892. Mass . 
July 21 . Concord .- The first Whippoorwill song began at 7.35 and two Whlppoor- 
( NO . 3 ) birds sang after this at frequent intervals but both ceased be- will s . 
fore it became dark. 
July 25. Concord .- At 7.37 two Whippoorwills began singing on the high 
(NO. 2) ridge and kept it up at intervals until darkness fell, after 
which we did not hear a note from either until near daylight 
next morning. 
July 30. Concord.- The Whippoorwills began at 7.28, two of them, both 
coming very near us and flitting from place to place among the 
trees. They apparently sang usually if not invariably from ele- 
vated perches on the branches of the oaks but we did not once 
get so much as a glimpse at either bird. 
The clucking was distinctly audible at 40 or 50 yards. Mr. 
Hubbard thought at first that it came in between the 11 whippoor - 
wills 11 but he finally agreed with me that usually it was uttered 
simultaneously with the first syllable. There were occasional 
exceptions to this, however, for sometimes it was unmistake ably 
given just before the first syllable and once we both thought it 
was repeated twice at the end of the last " whippoorwill 11 . Mr. 
Hubbard thought that it sounded as if the bird tapped his bill 
against a log. 
