Browsing by Author "Quispe, René"

Now showing items 1-3 of 3

Artículo

Ecological drivers of group living in two populations of the communally rearing rodent, Octodon degus

Ebensperger, Luis A.; Sobrero, Raúl; Quirici, Verónica; Castro, Rodrigo A.; Ortiz Tolhuysen, Liliana; Vargas, Francisco; Burger, Joseph Robert; Quispe, René; Villavicencio, Camila P.; Vásquez Salfate, Rodrigo; Hayes, Loren D. (Springer, 2012)

Intraspecific variation in sociality is thought to reflect a trade-off between current fitness benefits and costs that emerge from individuals' decision to join or leave groups. Since those benefits and costs may be ...
Artículo

Neuroendocrine patterns underlying seasonal song and year-round territoriality in male black redstarts

Villavicencio, Camila P.; Windley, Harriet; D’Amelio, Pietro B.; Gahr, Manfred; Goymann, Wolfgang; Quispe, René (BMC, 2021)

Background The connection between testosterone and territoriality in free-living songbirds has been well studied in a reproductive context, but less so outside the breeding season. To assess the effects of seasonal androgenic ...
Artículo

Seasonal variations of basal cortisol and high stress response to captivity in Octodon degus, a mammalian ...

Quispe, René; Villavicencio Reyes, Camila Patricia; Addis, Elizabeth; Wingfield, John C.; Vásquez Salfate, Rodrigo (Elsevier, 2014)

Across vertebrates, the hypothalamic–pituitary–adrenal axis is a conserved neuroendocrine network that responds to changing environments and involves the release of glucocorticoids into the blood. Few studies have been ...