synchronised bubble net feeding by humpback whales that will swim in concentric circles from below a school of fish
expelling air underwater from their blow holes to form a vertical cylinder-ring of bubbles to trap prey
https://t.co/mHOuYdhIrx https://video.twimg.com/ext_tw_video/1776473600696143872/pu/vid/avc1/720x1280/Md-CAMPw0ZAFLrEX.mp4?tag=12