Territorial aggression does not feed back on testosterone in a multiple-brooded songbird species with breeding and non-breeding season territoriality, the European …

B Apfelbeck, H Flinks, W Goymann - Hormones and behavior, 2017 - Elsevier
Testosterone mediates reproductive behaviours in male vertebrates. For example, breeding
season territoriality depends on testosterone in many species of birds and in some, territorial
interactions feed back on testosterone concentrations. However, the degree to which
territorial behaviour and testosterone are associated differs even between species with
seemingly similar life histories, especially between species that also defend territories
outside the breeding season. Here, we investigate the link between territorial behaviour and …
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