PLATE XIil 
SEASONAL FLUCTUATIONS IN USE OF THE STUDY AREA BY BROODS 
Oo 
“> 
vT 

WWW 
WDWDWKRCE 6, 
WiiW/W WW WW 
YY E0701z072*;: 
F555" 
°) 
wy 
fe) 
DATE 6/8-6/26 6/2674 %/4-7/12 1/12:7/20 720-728 728-8/5 B/5-8/I3 8/13-8/2! 
Oo oO O oO Oo oOo oO 
ow Oo wf Oo W ro) 
t+ Oo mW NN NO = 
3SN dO SAVd-GOOus 
SPECIES COMPOSITION OF BROOD POPULATION (TOTAL BROOD- DAYS) 
J 
<I 
aj 
- 
Q 
uJ 
© 
< 
: 
uJ 
= 
—J 
a 
CANVAS - BACK 

BALDPATE 
SHOVELLER 

| GREEN-WINGED TEAL 
BROOD-DAYS OF USE 
100 200 300 400 900 
0 
