ナショナルジオグラフィックのインスタグラム(natgeo) - 2月26日 09時14分

Did you know that herring communicate by releasing air from their anus? The scientific term is called Fast Repetitive Tick Sounds or FRT’S. These farts occur in stereotyped bursts of 7-65 pulses that create a low frequency sound. Scientists hypothesize that this release of bubbles is used as “contact calls” between the herring. I have always seen herring release the biggest streams of bubbles when they are being hunted by orcas and I would love to know what they are saying. #followme on @paulnicklen as I will be posting a video that shows this behavior in action. With @Cristina Mittermeier and @goranehlme

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