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. Author manuscript; available in PMC: 2016 Mar 30.
Published in final edited form as: Anim Behav. 2009 Oct;78(4):879–885. doi: 10.1016/j.anbehav.2009.07.012

Figure 3.

Figure 3

Relationship between brightness of UV-blue rump coloration of the male and the seasonal reproductive success (total number of nestlings fledged per year) of eastern bluebirds. Colour data are standardized for year.