An Aggressive Interaction Rapidly Increases Brain Androgens in a Male Songbird during the Non-breeding Season

This work was supported by Canadian Institutes of Health Research Operating Grant (133606) and Project Grant (426405) and Canada Foundation for Innovation Grant (32631; to K.K.S.), an Uruguay Graduate Scholarship from the Agencia Nacional de Investigación e Innovación and University of British Columbia Zoology Graduate Fellowship (to C.J.), as well as Natural Sciences and Engineering Research Council of Canada-Undergraduate Student Research Award (to S.L.G.). We thank Lucia Zubizarreta, Maria A. Shock, and Taylor J. Bootsma for help with field work and lab work. C.J. and S.L.G. currently work at Departamento de Neurofisiología Celular y Molecular, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay, and Department of Psychology, University of Washington, Washington, respectively.