Appendix D, Table 5. Minimum number of harlequin duck pairs on McDonald Creek, Glacier 

 National Park, Montana, 1974 - 1995 (Kuchel 1974, Ashley 1992, 1994a, 1994b). 



1 Incomplete or poorly timed surveys. 



2 Estimate from observations of marked birds, maximum of 12 pairs seen on a single survey. 



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