So, how did they discover all of this? The scientists used an algorithm that was originally designed to recognize human voices. According to the study, this readjusted algorithm was able to identify which bats were vocalizing and what they were arguing about with "high accuracy." The study's co-author, Yossi Yovel, elaborates to The Guardian: "We have shown that a big bulk of bat vocalisations that previously were thought to all mean the same thing, something like 'get out of here!' actually contain a lot of information." They could decipher, "to some extent," who the bats were talking to and how that bat responded. The researchers also noticed a marked difference in calls directed not only towards each sex, but even among different individuals. That means, the study says, that bats could theoretically eavesdrop on another bat's conversation and "identify if individual A is addressing individual B or individual C." Eavesdropping bats? What a time to be alive.
Related: There's a Reason Babies Respond To High-Pitched Baby Talk
This study is significant for at least a couple of reasons. First, Egyptian fruit bats join the big leagues of superior animal communicators, including humans and dolphins. Yovel hopes that these types of findings will eventually help scientists understand more about other animal interactions, and even the origins of human communication itself. According to Phys.org, scientists aren't done with this research. Next, they'd like to determine whether the bats are born with this communication ability, or if it's something they learn from others. To achieve this, the researchers plan on attaching tiny microphones on some of the bats before they're reintroduced to the wild. We'll stay tuned.
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