New finding shows that males can drive creation of new species

Evolutionary biologists often debate on whether sexual selection can lead to new species. Most studies have focused on natural selection or, for the few studies that considered sexual selection, on how picky females select ...

Darwin was right: Females prefer sex with good listeners

Almost 150 years after Charles Darwin first proposed a little-known prediction from his theory of sexual selection, researchers have found that male moths with larger antennae are better at detecting female signals.

Darwin got sexual selection backward, research suggests

Charles Darwin was a careful scientist. In the middle of the 19th century, while he was collecting evidence for his theory that species evolve by natural selection, he noticed it didn't explain the fancy tails of male peacocks, ...

Butterfly color diversity due to female preferences

Butterflies have long captured our attention due to their amazing color diversity. But why are they so colorful? A new publication led by researchers from Sweden and Germany suggests that female influence butterfly color ...

Intelligent males may make female birds swoon: study

Male birds are often the ones with the most vibrant feathers, or the most elaborate songs, but researchers said Thursday that what female birds could really appreciate is a male who shows his intelligence.

page 6 from 18