Sexual dimorphism is one of the most prevalent, and often the most extreme, examples of phenotypic variation within species, and arises primarily from genomic variation that is shared between females ...

Why does the peacock have such an elaborate tail? This cumbersome trait significantly decreases the male's chances of survival. It only exists because it confers an advantage to its bearer in the form ...

Sexual selection provides an answer to the existence of lavishly ornate signals in animals, but not to the question of why such signals are attractive—for example, why do females prefer the ...

Natural selection can reverse evolution that occurs through sexual selection and this can lead to better females, new research shows. The study—led by the University of Exeter and Okayama ...

Natural selection can reverse evolution that occurs through sexual selection and this can lead to better females, new research shows. Natural selection can reverse evolution that occurs through sexual ...