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Facultative sex ratio adjustment in response to male tarsus length in the Varied Tit <i>Parus varius</i>
The 2 references without a DOI — listed, not checked
no DOI — not checkedD. P. Barash, 1975 .Evolutionary aspects of parental behavior: distraction behavior of the Alpine Accentor., Wilson Bulletin, 87 :367 –373 .
no DOI — not checkedD. H. Johnson, 1979 .Estimating nest success: the Mayfield method and an alternative., Auk, 96 :651 –661 .
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