As intelligent, social animals, goats can sense happiness or distress in other goats through their calls
Researchers involved in the study hadthat goats can express emotion through their voices. Next, a larger team decided to explore whether goats can detect it in others. “If you’re not actually studying the effect of emotions on others, we’re missing an important social aspect,” says
Then they played back the vocalizations to different goats outfitted with heart monitors. They found that the goats became more attentive when the emotions in the vocalizations changed, indicating they can detect a difference. And listening to happy vocalizations correlated to a greater variation in the length of time between heartbeats—a sign of positive wellbeing in mammals.
It’s logical, says Baciadonna. “You should be more vigilant with [potential] danger than if you’re at a party eating with friends.”, an assistant professor in the Department of Animal Science at the University of California, Davis, isn’t surprised at all by the findings. “This just makes evolutionary sense,” she says via email.
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