Boersma, J.; McQueen, A.; Peters, A.; Welklin, J. F.; Khalil, S.; Quispe Valdez, R.; Goymann, W.; Schwabl, H.: Unexpected long-term retention of subcutaneous beeswax implants and additional notes on dose and composition from four testosterone implant studies. General and Comparative Endocrinology 330, 114124 (2023)
Quispe Valdez, R.; Yohannes, E.; Gahr, M.: Seasonality at the equator: Isotope signatures and hormonal correlates of molt phenology in a non-migratory Amazonian songbird. Frontiers in Zoology 15, 39 (2018)
Quispe Valdez, R.; Brazao Protazio, J. M.; Gahr, M.: Seasonal singing of a songbird living near the equator correlates with minimal changes in day length. Scientific Reports 7, 9140 (2017)
Quispe Valdez, R.; Sèbe, F.; da Silva, M. L.; Gahr, M.: Dawn-song onset coincides with increased HVC androgen receptor expression but is decoupled from high circulating testosterone in an equatorial songbird. Physiology & Behavior 156, pp. 1 - 7 (2016)
Quispe Valdez, R.; Trappschuh, M.; Gahr, M.; Goymann, W.: Towards more physiological manipulations of hormones in field studies: Comparing the release dynamics of three kinds of testosterone implants, silastic tubing, time-release pellets and beeswax. General and Comparative Endocrinology 212, pp. 100 - 105 (2015)
Ebensperger, L. A.; Sobrero, R.; Quirici, V.; Castro, R. A.; Ortiz Tolhuysen, L.; Vargas, F.; Burger, J. R.; Quispe Valdez, R.; Villavicencio, C. P.; Vasquez, R. A.et al.; Hayes, L. D.: Ecological drivers of group living in two populations of the communally rearing rodent, Octodon degus. Behavioral Ecology and Sociobiology 66 (2), pp. 261 - 274 (2012)
Villavicencio, C. P.; Márquez, I. N.; Quispe Valdez, R.; Vásquez, R. A.: Familiarity and phenotypic similarity influence kin discrimination in the social rodent Octodon degus. Animal Behaviour 78 (2), pp. 377 - 384 (2009)
Why do primates have big brains? In the Panamanian rainforest, scientists pitted large-brained primates against smaller-brained mammals to find out who was the smartest forager
The first narrative nonfiction book about the pioneering animal tracking project ICARUS, written by its founder Martin Wikelski, is published by Greystone Books