Doves 
Calls 
4 
I : 
og i FIGURE h. Total calls compared with total number of Doves Calling. 125 
ee Based on average of 2 routes per week. 
1 Solid line -~ total doves calling. 
ry Dotted line -- total calls, (1951) 
i 
tA 
: i A 
20 | ; i\ 100 
l a 
| \ hy 
\ HA\ 
! / / 
) \ \ / 
; / 
\ } \ es 
15 : : ; wee \ 75 
1\ | \ / \ co i 
f \ i \ ] { _f : 
/ \ Y / \ 
YN | ! / \ 
Hh 64 \ |! / \ rN 
14. /! od / , / Vis 50 
} yy / f 
j \ j Vv _-w ( / a 
‘oy 1 i \ rs \ en ‘ 
\ of \ \/ \ / \ 
\ | : f v \ / \ 
1 \ / \ / \ ry 
\l : : \ / \ / an 
V \\ ft 1 / Re Ue 
5 ¥ : / y : 25 
\\ fi he \ 
Wi ¥ \ 
: \ 
O 17 2 31] 7 1h 21 26 jh 212 
July | August | Sept. 
