FlycatcherPatch: Forehead Patch Size in Collared Flycatachers
Description
Forehead patch size in 30 male Collared Flycatachers
measured in two consecutive years.
Arguments
source
Griffith, S.C. and B.C. Sheldon. 2001. Phenotypic
plasticity in the expression of a sexually selected
trait: neglected components of variation. Animal
Behaviour 61: 987-993.