Objectives The study of hormone modulation may offer important insight into the responses
of individuals to environmental challenges. Here we studied C‐peptide, thyroid hormone …

Most wild parrot species live in flocks, enriched by the environment and conspecific
interactions. Captive parrots often live individually and are prone to behavioral …

The priority‐of‐access (POA) model posits that high dominance rank increases male mating
success by increasing access to fertile females. However, the relationship between rank …

Greeting behaviors are ritualized, nonaggressive interactions that serve as a form of tactile
communication between two individuals; however, our understanding of the function of male …

I examined how male-male relationships in a wild colobine are influenced by the
characteristics of the groups males reside in, and by the characteristics of co-resident males …