CENTRAL FLYWAY 
4, Summary of Population Indices 
Waterfowl 

Geese 
Coot 
~- The population index for waterfowl has not changed 
appreciably in the Central Flyway during the past 
5 years, In 1953 the index was 3 percent above the 
5-year average, and compared to individual years, 
Stands; 
10 percent below 1952 
19 percent above 195] 
2 percant above 1950 
10 percent above 1949 
~ The Central Flyway duck index is 10 percent above the 
average for the 5-year period 1949-1953, and compared 
to individual years, stands: 
7 percent below 1952 
19 percent above 195] | 
8 percent above 1950 
40 percent above 1949 
Among duck species, the mallard, pintail, blue-winged teal, 
baldpate, gadwall, shoveler, and canvasback remained about 
the same, while scaup, redhead, preen-winged teal, goldeneye 
and ringnecks decreased noticeably, 
-« The population index for geese in 1953 is 21 percent below 
the average for the past 5 years, and compared to. 
individual years, stands; 
25 percent above 1952 
1 percent above 1951 
36 percent below 1950 
48 percent below 1949 
Compared to 1952, Canada geese remained about the same, 
snow geese and white-fronts increased noticeably, and 
blue geese decreased, 
- The coot index for 1953 is 3 percent above the average 
for the period 1949-1953, and compared to individual 
years, stands; 
43 percant below 1952 
51 percent above 1951 
2 percent below 1950 
47 percent below 1949 
