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1 February 2000 LONG-TERM PAIR BONDS IN HARLEQUIN DUCKS
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Abstract

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, Harlequin Duck pairs reunite on the wintering area and return to the breeding stream together. Pairs reunite even if the female is unsuccessful at breeding the previous season, which suggests that reuniting with the same mate year after year is important. Some males that have lost their mate and fail to re-pair on the wintering area show fidelity to their former breeding site.

Cyndi M. Smith, Fred Cooke, Gregory J. Robertson, R. Ian Goudie, and W. Sean Boyd "LONG-TERM PAIR BONDS IN HARLEQUIN DUCKS," The Condor 102(1), 201-205, (1 February 2000). https://doi.org/10.1650/0010-5422(2000)102[0201:LTPBIH]2.0.CO;2
Received: 7 December 1998; Accepted: 1 July 1999; Published: 1 February 2000
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