Figure 1From: Parental care, loss of paternity and circulating levels of testosterone and corticosterone in a socially monogamous song birdParental care and testosterone. Relative and absolute male parental care was not related to (a,c) post capture testosterone and (b,d) GnRH-induced testosterone concentrations (log scale). Black dots represent males sampled during mating; open dots represent males sampled when they were feeding nestlings.Back to article page