Juliana Valencia

Testosterone and helping behavior in the azure-winged magpie (Cyanopica cyanus): natural covariation and an experimental test

G. Sorci, O. Chastel, Gabriele Sorci, 2003, Behavioral Ecology and Sociobiology.

Fluctuating asymmetry of red deer antlers negatively relates to individual condition and proximity to prime age

Concha Mateos, J. Carranza, Juliana Valencia, 2008, Animal Behaviour.