Assessing Breeding Populations of Ducks by Ground Counts
Table 7
Table 7. Comparison of indicated pairs of diving ducks from ground census and observed nesting population, May 20 to June 5, Kindersley Study area, 1956 to 1959.
| Species | 1956 | 1957 | 1958 | 1959 | ||||||||
| Mean pairs | Nest population | % breeding | Mean pairs | Nest population | % breeding | Mean pairs | Nest population | % breeding | Mean pairs | Nest population | % breeding | |
| Lesser scaup | 57 | 26 | 46 | 29 | 15 | 52 | 27 | 12 | 44 | 70 | 3 | 4 |
| Canvasback | 1 | 1 | 100 | 7 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 |
| Redhead | 5 | 4 | 80 | 7 | 2 | 29 | 1 | 0 | 0 | 15 | 0 | 0 |
| Ruddy | 1 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 27 | 0 | 0 |
| Total | 64 | 31 | 48 | 45 | 17 | 38 | 31 | 12 | 39 | 114 | 3 | 3 |
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