Primates
Human brain’s voice area shows selective response to chimpanzee calls
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Researchers at the University of Geneva have found that specific regions of the human auditory cortex respond particularly strongly to chimpanzee vocalizations compared with those of other primates, including bonobos and macaques. The work, published as a reviewed preprint in eLife, suggests that human brain areas involved in voice processing are also tuned to certain nonhuman primate calls, reflecting shared evolutionary and acoustic roots.
A new study has found that releasing rescued Bengal slow lorises into the wild can lead to deadly territorial conflicts. Researchers tracked nine animals in a Bangladeshi national park and discovered only two survived, with most killed by other lorises. The findings highlight the need for better planning in wildlife reintroduction efforts.
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Japanese macaques, known as snow monkeys, bathe in hot springs not only for warmth but also to influence their internal ecosystems. Researchers at Kyoto University discovered that regular bathing leads to differences in lice patterns and certain gut bacteria among the monkeys. Importantly, sharing the pools does not increase parasite infection risks.