‘igure 17. Daily Abundance of Flocks 
A A 
“oU 
- 20 ' 
ri0° 
-o 
. ..0 Second Number is the number of flocks 
— .0 
o 
A 
10 A 
i.kw 
StU 
< I 
.1 
100 
J 
90 
1 
i 
