Dolphin Woos with Wood and Grass


	Dolphin Woos with Wood and Grass

abailart

3-26-2008 4:27 AM

277 views

tags:

dolphins, culture, biosemiotics

2 Comments |

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3-26-2008 3:29 PM

carrerinyes

The things they do for love...

3-27-2008 5:33 AM

syncopath

rituals are integrated in the life of any cognitive creature .... -))

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/97787419-5bac-487f-bb0b-9b22fff666b6/8994E14E-E702-4F4C-B143-C626BD058B97/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://news.bbc.co.uk/1/hi/sci/tech/7313385.stm" href="http://news.bbc.co.uk/1/hi/sci/tech/7313385.stm" style="font-size: 11px;">news.bbc.co.uk</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/1/hi/sci/tech/7313385.stm"><B>A South American river dolphin uses branches, weeds and lumps of clay to woo the opposite sex and frighten off rivals, scientists have discovered.</B>
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Researchers observed adult male botos carrying these objects while surrounded by females, and thrashing them on the water surface aggressively. 
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Writing in the journal Biology Letters, they say such behaviour has never before been seen in any marine mammal.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/1/hi/sci/tech/7313385.stm"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/news.bbc.co.uk/img/8EE05C6D-710B-478F-8E6B-3EB1F2F636F0" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/1/hi/sci/tech/7313385.stm">
"You see them coming up with bits of wood or lumps of rock in a very ritualised manner," </blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/1/hi/sci/tech/7313385.stm"><P>
"Quite often they'd slowly come up above the surface in a vertical posture holding this stuff in their mouths, then sink down rotating on their own axis.
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"They would also throw it or smash it against the surface, and it does appear that the waving around and bashing is to impress the ladies; but at the same time there's a lot of aggression between adult males, and we have to infer that's part of it."</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/1/hi/sci/tech/7313385.stm">using objects for socio-sexual display is a novel finding.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/8994E14E-E702-4F4C-B143-C626BD058B97/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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