MISSISSIPPI FLYWAY 
MINNESOTA - Continued 

II 133- . & 7,636 4O, 471 53 
III 5 28 3,300 18,480 5.6 
SSS ee 
‘Comparison of 1957-1958 Mid-July Aerial Survey in Minnesota 
| | 1921 19 p Change 
Rroods Actually Seen si(itsté oO | 
Broods/Square Mile | 0.35 0.33 
Brood Index 10566 12, 305 = Bee 
Late Nesting Index 14,030 9,067 =. 3504 
Pond Index... 339,892 314,497 7 Jed 
Coot Brood Index 4148 4, 847 # 16.8 
Average Brood Size 
Class II 6.6 5.3 - 19.7 
Class III 53 5-6 f 567 
; | 
97 
