Homosexual behavior is not limited to humans. Biologists have reported homosexual behavior in many species of wild animal, ranging from bats and birds to dolphins and primates. When animals engage in ...

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Observations of a wild colony of macaques over three years show same-sex sexual behavior among males is widespread and may be beneficial. The results, published in Nature Ecology and Evolution, ...

A viral clip of a Japanese macaque named Punch, rejected by his mother and clinging to a plush toy, has drawn global attention to a question scientists first tested seven decades ago: why do young ...