Number of Doves 
20 
FIGURE 2. Number of Doves Calling ! 
April - August, 1951 | : 
20 Station Route, Knox County, 

TENNESSEE 
fn 
Bs 
/ ‘ 
/ aN 
/ \ A 
if F Ae § 
/ \ Fi i 
/ \ F “\ 
~ / 5 eo “Se 
: / ‘ yw Tie. vn 
\ / ad As ‘ols 
\. } te “ \ 
w* \ 
yy / \ ru 
a — Morning Vy - 
\/ Ww ‘\ Pi 
--~- Evening NU 

| July | Aug. 
April May | nae 
