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The Timing of Pair Formation in Harlequin Ducks.
(University of California Press, 1998-08)
The timing of pair formation varies within and among species of ducks. In this study we documented the chronology of pair formation in a population of wintering Harlequin Ducks (Histrionicus histrionicus) in southwestern ...
Long-term pair bonds in Harlequin Ducks.
(University of California Press, 2000-02)
We documented the frequency of pair reunion in Harlequin Ducks (Histrionicus histrionicus) on breeding streams in Alberta, and at a molting/wintering area in southwestern British Columbia. As long as their mate is alive, ...