Mean (SE) tetrahedral color component values of males or females that did or did not survive.
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Surviving and non-surviving individuals were matched for year and age and, whenever possible (91% of the cases), for breeding site and capture date. Increasing values of θ indicate paler, relatively more eumelanic plumage. Significance of the deviation of mean differences between surviving and non-surviving individuals from zero was assessed by t-tests. Sample sizes are 108 pairs of males and 66 pairs of females.
创建时间：
2013-04-03
