9LT 
Table VI ~- Comparison of Aerial Waterfowl Breeding-Pair Counts, South Platte River - 1951 and 1952 





* Area 1V was not flown in 195] due to high winds and severe turbulence. 
Area I -- 41 Miles, Derby to Greeley 
Pai } Total Pairs Per Mile 
Species airs Lone Males Total Pairs Including Lone Males 
1951 1952 1951 1952 1951 1952 1951 1952 
Mallard 53 7 16 23 69 30 1.68 73 
Teal 5 1 0 0 5 ] 12 . 02 
Gadwall 7 1 0 0 7 ] 17 02 
Pintail 2 0 0 ] 2 ] .05 02 
Total 67 9 16 24 83 33 2.02 79 
Area II ~-- 52 Miles, Greeley to Fort Morgan 
Mallard 69 10 31 12 100 22 1.92 42 
Teal 26 3 l 0 27 3 52 08 
Gadwall 26 2 1 0 27 2 52 05 
Pintail 0 1 0 0 0 ] 0.00 .02 
Total 121 16 . 33 12 154 Z28 2.96 “ot 
Area III -~ 43 Miles, Fort Morgan to Sterling 
Mallard 34 12 6 17 40 29 «93 .67 
Teal 16 2 1 ] 17 3 . 39 07 
Gadwall 6 2 2 8 2 19 05 
Total 56 16 9 18 65 34 1,51 79 
Area IV -- 68 Miles, Sterling to Julesburg * 
Mallard 20 27 47 69 
Teal 10 3 13 19 
Gadwall 6 3 9 13 
Baldpate 1 0 ; 1 02 
. Total 37 33 70 | .03 
