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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 ...
Survival, emigration and winter population structure of Harlequin Ducks.
(University of California Press, 2000-02)
A population of individually marked Harlequin Ducks (Histrionicus histrionicus) at White Rock, British Columbia, Canada was examined to measure the degree of population differentiation among birds which pair during the ...
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, ...