The data contains wing length measurements of Barn owl nestlings that were either treated with a corticosterone or a placebo implant.
A data frame with 209 observations on the following 7 variables.
age of the individual at the day it received the implant, in days
type of implant: C = corticosterone, P = placebo
number of days after the implant
age of the nestling at the day of the wing length measurement, in days
wing length measurement in mm
AlmaisB, Roulin A, Korner-Nievergelt F, Jenni-Eiermann S, Jenni L (2012) Coloration signals the ability to cope with elevated stress hormones: effects of corticosterone on growth of barn owls are associated with melanism. JOurnal of Evolutionary Biology 25: 1189-1199