Homosexual behavior in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh environments, are hunted by predators or live in more complex societies, ...
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 ...
Most of the contributions included were drawn from a symposium presented at the 1977 meeting of the Western Psychological Association in Seattle, Washington.
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