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Dolphin Rings
Uploaded by: SydesJokes
Video Description:
This video is of dolphins playing with silver colored rings which they have the ability to make under water to play with. It isn't known how they learn this, or if it's an inbred ability.
As if by magic the dolphin does a quick flip of its head and a silver ring appears in front of its pointed beak. the ring is a solid, donut shaped bubble about 2-ft across, yet it doesn't rise to the surface of the water! It stands upright in the water like a magic doorway to an unseen dimension.
The dolphin then pulls a small silver donut from the larger one. Looking at the twisting ring for one last time a bite is taken from it, causing the small ring to collapse into a thousands of tiny bubbles which head upward towards the water's surface. After a few moments the dolphin creates another ring to play with. There also seems to be a separate mechanism for producing small rings, which a dolphin can accomplish by a quick flip of its head.
An explanation of how dolphins make these silver rings is that they are "air-core vortex rings". Invisible, spinning vortices in the water are generated from the tip of a dolphin's dorsal fin when it is moving rapidly and turning. When dolphins break the line, the ends are drawn together into a closed ring. The higher velocity fluid around the core of the vortex is at a lower pressure than the fluid circulating farther away. Air is injected into the rings via bubbles released from the dolphin's blowhole. The energy of the water vortex is enough to keep the bubbles from rising for a reasonably few seconds of play time.
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On a serious note: Wow, I've never seen this behavior before. Pretty interesting.
It is very cool though.
Although, come to think of it, I'd love to bee there when a dolphin flops up to a street corner to score some rocks.
"Are you 5-O?"
"Click-skweeee-clickety-click".
Having Peace does not mean they are advanced. They know nothing else therefore they cant think of anything else so they dont know joy like we do, they dont know love like we do, and they dont know friendship like we do.
As well as the information and even the play or fun factor to do and enjoy this.
Dolphins are really neat and clever. =)