Nonhuman primates like bonobos and chimpanzees might engage in same-sex sexual activities to strengthen bonds, particularly ...

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...

As animals go about their lives ― eating, fighting, having babies ― they don’t always follow the script laid out for them by ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

Homosexual behavior in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

A comprehensive new study has examined the prevalence of same-sex behavior in dozens of primate species.

While many studies have looked at possible evolutionary links between men's strength and sexual behavior, a Washington State University study included data on women with a surprising result. Women, as ...

Introduction: The characterization and evolution of lizard behavior / Vincent L. Bels and Anthony P. Russell -- Part I. "Everyday" behavior. Chapter 1. Behavioral thermoregulation in lizards : ...

The study of animal behaviour in ecological and evolutionary contexts examines how behavioural traits develop, persist and interact with environmental challenges. Research in this field investigates ...

Introduction : Why teeth? -- I. Development. Microscopes, cells, and biological rhythms -- The big picture : birth, death, and everything in between -- Things that can go wrong : stress, pathology, ...

John Maynard Smith is best known for his use of mathematical analyses in biology. Trained as an engineer and then as a biologist, Smith applied game theory to animal behavior and found that although ...