Whippoorwill Calls 91 



began calling this evening at 8:15 which is at least a half 

 hour earlier in the day than this perfonnance began a 

 week ago. The following count was made on one individ- 

 ual and is a fair example of others : 9 calls ; interval 2i/^ 

 minutes ; 9 calls ; interval 2i/2 minutes ; 1(3 calls ; interval 

 brief; 4 calls; interval brief; 9 calls; interval longer; 1 

 calls; interval 1 minute; 7 calls; interval 2 minutes; 9 

 calls ; interval short ; 6 calls. Total, 66 calls. 



August 2. The first call of the evening was noted at 

 8 :35. But few calls were given after 9 :00 p. m. 5 calls, 

 slow; interval brief; 6 calls, slow; interval 1 minute; 6 

 calls, slow and irregular; interval 1 minute; 1 call; in- 

 terval 3 minutes; 9 calls with brief interval between call 

 8 and 9; interval 3 minutes; 4 calls; interval brief; 6 

 calls, irregular; interval 2 minutes; 6 calls; interval 1^ 

 minutes ; 5 calls ; interval 1 minute ; 7 calls ; interval 3 

 minutes ; 4 calls ; interval 4 minutes ; 10 calls ; interval 5 

 minutes; 4 calls. Total, 73 calls, the total time occupied 

 by intervals between the calls amounting to about 25 

 minutes. 



August 4. The calls began at 8:30 p. m. After 9:15 

 scarcely any calls were given. 4 calls; interval % minute; 

 5 calls; interval i/o minute; 2 calls; interval 5 minutes; 10 

 calls; interval 1 minute; 14 calls; interval i/o minute; 10 

 calls; interval 1 minute; 11 calls; interval i-^ minute; 16 

 calls; (the preceding 5 series of calls were very irregularly 

 given); interval 3 minutes; 14 calls, rapid; interval 4 

 minutes; 9 calls. Total, 95 calls. 



August 5, 5:00 A. M. 240 calls, not more than 1 or 2 

 seconds' interval between any of them so that they were 

 practically consecutive; 118 calls; interval brief; 50 calls; 

 interval brief; 38 calls. Total, 446 calls. In no case was 

 the interval more than 1 minute. (Kecord by Professor 

 Smith.) 



August 6, 4:25 A. M. 95 calls, verj- irregularly given; 

 interval about 1 minute; 5 calls; interval momentary; 19 

 calls; interval momentary; 5 calls; interval 1 minute; 10 

 calls; interval ^/^ minute; 13 calls, very irregularly given; 



