Listar por autor "Solís, Elena"
Mostrando ítems 1-3 de 3
-
Positive Correlation between Helpers at Nest and Nestling Immune Response in a Cooperative Breeding Bird.
Valencia-Ruíz, Juliána
; Solís, Elena; Sorci, Gabriele; de la Cruz, Carlos (Springer Nature, 2006)
In cooperatively breeding species, helpers may contribute to the success of the brood by increasing the number of independent offspring, but also, they may affect offspring condition and, hence, their survival and recruitment ... -
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 ... -
Winter male plumage coloration correlates with breeding status in a cooperative breeding species
Solís, Elena; Avilés, Jesús M.; de la Cruz, Carlos; Valencia-Ruíz, Juliána; Sorci, Gabriele (Oxford University Press, 2008-03)
The function of colored ornaments is usually related to the signaling of individual quality in intra- and intersexual interactions. In cooperative breeding species, where only a fraction of the male population access the ...