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

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

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

The researchers found that same-sex behavior was more common in primate groups with clear hierarchical structures and those ...

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 ...

Biologists tend to look at the animal kingdom and try to categorize things in an organized fashion. But nature has a way of ...

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 ...

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 ...

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, ...