The strength and direction of sexual selection can vary among geographically distinct populations, and within populations across time. However, spatial and temporal variability at the level of the soc
A major component of Darwin's formulation of sexual selection theory is whether mate choice can contribute to the evolution of cognitive abilities. Although a correlation between cognition and attract
We investigated the stability of a well-studied hybrid zone in Bocas del Toro, Panama involving the golden-collared manakin (Manacus vitellinus) and the white-collared manakin (Manacus candei), two tr
The main file provided below ( S1 Data ) contains a global dataset of estimated sexual selection scores and accompanying uncertainty estimated for all the world’s birds in two different taxonomic
Sexual signalling is predicted to shape the evolution of sex-specific ornamentation, and establishing the costs and benefits of ornamentation and the information that ornamentation provides to receive
