Uploaded by SjoerdvdKroon on Jun 25, 2010
This is from Buddha Bar Nature and the scenes are from the 'The Cove.'
The Cove is a 2009 American documentary film that describes the annual killing of dolphins in a National Park at Taiji, Wakayama, in Japan from an anti--dolphin-hunting campaigner's point of view,
If you read this please check out;
http://www.youtube.com/watch?v=k62kc07m1Dc
About the rings the dolphins make:
As if by magic, the dolphin does a quick flip of its head and a silver
ring appears in front of its 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 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 few seconds of play time
Uploader Comments (SjoerdvdKroon)
Video Responses
All Comments (27)
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better than ice cream to the senses!!!
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This video extends all that I am trying to get across to the world through my artwork. I paint for the oceans and marine wildlife and one of the biggest setbacks this year has again been The Cove. There needs to be a healing within humankind and to accept that all life is essential to our world operating and functioning normally.
Thankyou for sharing this most beautiful video, dolphins and whales are forever..
Alan Minshull
Professional Marine and ocean wildlife artist.
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10.15.11 FILL YOUR STREETS :) GLOBAL REVOLUTION !!
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superbe pas d'autre mot merci
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the only documentary I was not brave enough to watch, out of all evils that human created on the Planet this is absolutely cruel one :(
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i wish i was there!!!! amazing !!!!!!!!!!!!!!!
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les dauphins des animaux magiques
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•.¸.•°*°•. ♥ .•°*°•.¸.••.¸.•°*°•. ♥ .•°*°•.¸.• .•.•
•.¸.•°*°•. ♥ .• So wonderful ! .•°*°•.¸.•
•.¸.•°*°•. ♥ .•°*°•.¸.••.¸.•°*°•. ♥ .•°*°•.¸.• •.•
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wow another gorgeous video and the music you picked to go with it is perfect ! Nice job !
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beautiful.....just beautiful!
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awesome! *_*
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@SjoerdvdKroon it sure is amazing, thanks for clearing that up : )
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Fantastic.
Thank you
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Too amazing for words...
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Wonderful song and nature, love de Dolfhins.
Thank you for share this magnifique video.
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Beautiful
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Fantastica ,cancion y fantastico video,relajante y balsamico..Gracias por compartirlo.
Es maravilloso poder ver a los delfines asi tan felices ..)
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<3 <3 <3 !!!!!
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<3
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Listen to this in the morning once you wake up
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Great soundtrack to the brilliant documentary The Cove!!
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what the hell was going on at 2:33 and onward, I can't imagine what was that? some sort of a circular-shaped compressed air? anyone knows a sensible explanation :)
NamiraM 10 months ago
@NamiraM Hello, i've just added some information below the video about this. I've found this information on a video of another user. You can also google 'air-core vortex rings.' There are also a lot of videos here on youtube called ' Bubble Rings' etc. It's amazing, isn't it?
Greetings Sjoerd
SjoerdvdKroon 10 months ago
Chilling and lifelike !!!
027Karunesh 1 year ago
@027Karunesh Thank you!
SjoerdvdKroon 1 year ago