Listar por autor "Chastel, Olivier"
Mostrando ítems 1-1 de 1
-
Testosterone and helping behavior in the azure-winged magpie (Cyanopica cyanus): natural covariation and an experimental test
de la Cruz, Carlos; Solís, Elena; Valencia-Ruíz, Juliána
; Chastel, Olivier; Sorci, Gabriele (Springer, 2003)
In this study, we investigated patterns of natural covariation between testosterone and reproductive status in a cooperatively breeding bird species, the azure- winged magpie (Cyanopica cyanus). To assess the relationship ...