Testosterone induces a female ornament followed by enhanced territoriality in a tropical songbird
J. Boersma, E. D. Enbody, J. A. Jones, D. Nason, E. Lopez-Contreras, J. Karubian, H. Schwabl
Testosterone induces partial ornamentation in unornamented female birds, which is followed by increased territorial behavior, suggesting ornamentation drives aggression rather than testosterone alone.
bioRxiv · Apr 27, 2020Animal Behavior & Cognition