Evolution

Global incidence of female birdsong is predicted by territoriality and biparental care in songbirds

Pronounced sexual dimorphism is generally assumed to evolve through sexual selection for elaborate male traits. However, there is …

Odom J. Karan, Marcelo Araya-Salas, Lauryn Benedict, Kristi Lim, James Dale, Wesley H. Webb, Catherine Sheard, Joseph A. Tobias, Gregory F. Ball, Michelle L. Hall, Naomi E. Langmore, Michael S. Webster, Katharina Riebel