Latest Animal sexuality Stories
True monogamy is rare in the animal kingdom. Even in species that appear to "mate for life," genetic maternity and paternity tests have revealed that philandering often takes place.
A team of researchers from Penn State University recently examined the relationship between body-color patterning and mating behavior in the fence lizard, Sceloporus undulatus, which is found ranging across the Eastern US.
Breaking up is hard to do — and can be detrimental to one’s reproductive fitness, according to a new University of Pennsylvania study.
The distinctive sound made by male peacocks just before mating attracts female voyeurs for reasons currently unknown.
Researchers were able to show that zebrafish males and females both wear their brightest colors while wooing a mate.
A new mechanism of animal mating plug production has been discovered by scientists at the Smithsonian and their colleagues.
A team of biologists from Tufts University in Boston may have answered the question of what attracts fireflies to each other.
In early human evolution, when faithful females began to choose good providers as mates, pair-bonding replaced promiscuity, laying the foundation for the emergence of the institution of the modern family.
In most species, females prefer the most intense courtship display males can muster, but a new study finds that female cowbirds actually prefer less intense displays.
It's all about the grandkids! That's what a team led by an Indiana University biologist has learned about promiscuous female birds and why they mate outside their social pair.
- To swell, as grain or wood with water.