A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in ...

More than 59 different primate species have been observed participating in some kind of same-sex behaviors, making it extremely common.

Add Yahoo as a preferred source to see more of our stories on Google. Japanese macaques at Joshin-etsu National Park in Japan. (Peter Adams / Getty Images file) (Peter Adams) Humans are far from the ...

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

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

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 ...

Within-group cooperation (i.e., among closely related individuals), is to varying degrees observed among a significant number of animal species. However, peaceful encounters and cooperation between ...

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 : ...

"Based on a colloquium of evolutionary genetics of invertebrate behavior, held March 21-24, 1983, in Gainesville, Fla"--Title page verso. Contents Evolutionary behavior genetics / Guy L. Bush -- ...

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 ...

Humans are far from the only primates engaging in same-sex sexual activity. A new study found instances in which 59 nonhuman primate species, including bonobos, chimpanzees and macaques, have taken ...