Percentage of time that a female spent next to a
carotenoid-supplemented male Zebra Finch compared to his
non-supplemented brother.
Arguments
format
A numeric vector with 10 observations.
source
Blount, J.D., N.B. Metcalfe, T.R. Birkhead, P.F. Surai.
2003. Carotenoid modulation of immune function and sexual
attractiveness in Zebra Finches. Science 300:
125-127.