162 
~ Table II. ~ Species Composition of Identified Duck Breeding Populations 
In Wyoming - May 1953 

Green Snake Bear Salt Wind 
Species No. No. No. Now No. 
Ducks % Ducks % Ducks % Ducks % Ducks % 
Mallard 1,160 63 858 57 886 62 1,056 78 788 86 
Gadwall 46 2 20 1 78 5 30 2 - ~ 
Pintail 132 7 14 1 166 12 38 3 - - 
Baldpate 22 1 24 l 80 5 46 3 - - 
Teal 216 11 130 9 66 5 116 9 - - 
Shoveler 54 3 - - 22 2 14 1 - - 
Redhead 40 2 - - 60 4 - = - 7 
Scaup 2 T* - . - = “ = He a 
Ruddy 18 ] - - - - - < = 2 
Ringneck - - - - - - - = te - 
Canvasback - - - - 16 1 - - 4 1 
Bufflehead 12 1 - - - - - - - - 
Amer. merganser 148 8 154 190 24 2 24 2 128 14 
B. Goldeneye 2 T* 294 20 28 2 26 2 - - 
Harlequin - - 2 T* - - - ve ef 2 
Total 1, 852 1,496 1,426 1,350 100 920 
Belle- 
Fourche North Powder- 
Species Big Horn Cheyenne Platte Tongue Total 
No. No, No. No. No. 
Ducks % Ducks % Ducks % Ducks % Ducks % 
Mallard 948 73 == - 2,432 50 148 81 8,276 62 
Gadwall 86 7 - - 1,047 22 - - 1, 307 10 
Pintail 24 2 - - 202 4 - - 576 4 
Baldpate 2 T* - - 91 2 - ~ 265 2 
Teal 180 14 - - 394 8 - - 1,102 8 
Shoveler 8 T* - - 166 3 - - 264 2 
Redhead - - - - 20 T* -— - 120 l 
Scaup - - - - 2 T* - - 4 T* 
Ruddy - - - - - - - - 18 T* 
Ringneck - - - - = = = ~ = = 
Canvasback -— - = - - - - - 20 T* 
Bufflehead - - - - - - - - 12 T* 
Amer. merganser 56 4 .- - 499 10 32 18 1,065 8 
B. Goldeneye - - - - - - - - 350 3 
Harlequin ~ - - - ~ a - + 2 T* 
Total 1, 304 m 4,853 180 13,381 
T = Less than 1 percent. 
