Rare sighting of a Whale 'tail sailing'. It refers to the action of whales lifting their tails clear of the water for long periods of time. https://t.co/ExhkmFWSK5 https://video-cf.twimg.com/ext_tw_video/1826366783143493633/pu/vid/avc1/720x1280/3npM5hn0wVlwQBQ_.mp4?tag=12