Winter Trend Data - Mississippi Flyway 
On the basis of comparable coverage between 1957 and 1958 in the 
Mississippi Flyway there was a 12 percent decrease in ducks, a 2 percent 
increase in geese, and a 58 percent increase in coot. ‘Total waterfowl 
decreased 9 percent. 
Species composition and percent change between 1957 and 1958 for 
individual species are presented in the following table. In the Graph which 
follows the table are presented trend data for ducks, geese and coot for the 
period 1949 through 1958. 
Species Composition - Mississippi Eee - 1957 and 1958 
Comparable Coverage 

Percent of Birds Identified Percent 
ecies L 1 55 ange 
Mallard 62.6 51.7 - 24.8 
Pintail 6.7 Tol ~ 3.2 
Blue Goose Tie 4.9 # 1.3 
Green-winged Teal 4.3 4.1 - 13.3 
Canada Goose 39 4.2 - 12.5 
Scaup 3.3 361 - 14.1 
Black Duck 2.8 3.5 # 14.0 
Gadwall 2.5 4h # 62.8 
Coot 2.2 3.8 # 5765 
Canvasback 1.6 1.3 = 25.8 
Ringneck Toeal. 8 - 31.8 
Baldpate 9 3.8 # 306.7 
Ruddy 8 03 - 64.7 
Shoveler oT 1.9 f 143.5 
Goldeneye 5) 5 N.C. 
Merganser oh “lf # 51.1 
Snow Goose oh 5 # 21.0 
Redhead ot ) ot - 4,9 
Wood Duck 03 25 f 40.7 
Old Squaw a 22 # 43.6 
Blue-winged Teal el 2.0 . == 
White-fronted Goose Tr. y= wes 
Bufflehead Tr. el. = 
Scoter & Eider Tr. Tre a= 
Whistling Swan Tr. Tr. —— 
nn = en. J 
TOTAL 100.0 100.0 - 92 

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