In most bird species, male courtship behavior is controlled by testosterone (T) and its metabolites. In species breeding in temperate and arctic regions T circulates at high levels during a relatively short courtship period ...
* Superior physical competence is vital to the adaptive behavioural routines of many animals, particularly those that engage in elaborate sociosexual displays. How such traits evolve across species remains unclear. * Recent ...
Day, Lainy B.; Fusani, Leonida; Hernandez, Estefanía; Billo, Timothy; Sheldon, Kimberly S.; Wise, Petra M.; Schlinger, Barney A.(2007)
Male golden-collared manakins gather on leks and perform an acrobatic display to attract females. In temperate breeding species, testosterone (T) activation of courtship displays has been well studied. Few studies have ...
