Relationships between carotenoid-based female plumage and age , reproduction , and mate colour in the American Redstart ( Setophaga ruticilla )

Most studies investigating the function and evolution of ornaments have focused on males. Variation in ornaments may also reflect individual quality and convey information in females. We examined correlations between female plumage colour and reproductive variables in the sexually dichromatic songbird, the American Redstart (Setophaga ruticilla (L., 1758… CONTINUE READING