Female Site Fidelity And Polygyny In The Blackpoll Warbler (Dendroica Striata)

White-faced Whitestart (Myioborus albifacies) Science Article 3


From 1980 to 1982, 8-30% of male Blackpoll Warblers (Dendroics atriata) studied on Kent Island, New Brunswick, were bigamous each year (2 = 16.8%). I tested whether differences in the quality of the breeding situation can give rise to polygynous matings. Five territory parameters and two male parameters were used as measures of quality. Male arrival times were correlated with male mating status and the reproductive success of monogamous females. Territories of bigamous males had more large conifers than did those of monogamousmales. Territory parameters did not appear to influence female choices.

BONITA C. ELIASON, The Auk 103: 782-790

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