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Assessing Breeding Populations of Ducks by Ground Counts

Table 6

Table 6. Breeding pair estimates and species composition, Kindersley Study Area, 1956 to 1959.
Species 1956 1957 1958 1959 4-year average % species composition Mean pairs/square mile
Sex ratio corrected breeding dabbler pairs
     Mallard 248 358 173 149 232 42.8 22.1
     Pintail 182 269 143 43 159 29.3 15.1
     Widgeon 75 40 41 35 48 8.9 4.6
     Gadwall 44 19 25 23 28 5.1 2.7
     Shoveler 30 29 29 23 28 5.1 2.7
     Blue-winged teal 38 25 27 16 26 4.8 2.4
     Green-winged teal 5 7 3 4 5 1.0 0.5
Subtotal 622 747 441 293 526 97.0 50.1
Nesting diver pairs
     Canvasback 1 0 0 0 <1 <0.1 Tr.
     Redhead 4 2 0 0 2 0.4 0.2
     Lesser scaup 26 15 12 3 14 2.6 1.3
     White-winged scoter 0 0 1 0 <1 <0.1 Tr.
Subtotal 31 17 13 3 16 3.0 1.5
Total 653 764 454 296 542 100.0 51.6
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