Amazonian dolphins say it with weeds


	Amazonian dolphins say it with weeds

caissie_tab

12-5-2007 4:49 PM

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dolphins, amazon

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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/dca4c065-5d0f-425f-a2a1-d824e5ec2951/F65367FA-2F8E-4DE2-9486-4A19FC7C4625/" 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://ca.news.yahoo.com/s/afp/071205/oddities/science_animals_dolphins_offbeat" href="http://ca.news.yahoo.com/s/afp/071205/oddities/science_animals_dolphins_offbeat" style="font-size: 11px;">ca.news.yahoo.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://ca.news.yahoo.com/s/afp/071205/oddities/science_animals_dolphins_offbeat"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/ca.news.yahoo.com/img/700D5B50-5DA5-4660-BC6C-B7AEC939FF61" alt="              A man may bring flowers to impress women, but male Amazon river dolphins carry weeds to win over the opposite sex, according to British and Brazilian researchers.
              Photo:/AFP" /></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://ca.news.yahoo.com/s/afp/071205/oddities/science_animals_dolphins_offbeat">A man may bring flowers to impress women, but male Amazon river dolphins carry weeds to win over the opposite sex, British and Brazilian researchers say.</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://ca.news.yahoo.com/s/afp/071205/oddities/science_animals_dolphins_offbeat">he discovery comes from a three-year study of more than 6,000 groups of dolphins in Mamiraua, a flooded rainforest reserve in the Amazonian, British weekly New Scientist reports in its next issue.</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://ca.news.yahoo.com/s/afp/071205/oddities/science_animals_dolphins_offbeat"><P>Of these groups, 221 included at least one dolphin, usually a male, that carried an object, such as weed, a stick or clay. The groups also usually contained an adult female.</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://ca.news.yahoo.com/s/afp/071205/oddities/science_animals_dolphins_offbeat">Aggression between adult males in the "object-carrying groups" was far higher than in other groups, which points to the carrying behaviour being a sexual display </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://ca.news.yahoo.com/s/afp/071205/oddities/science_animals_dolphins_offbeat"><P>The interpretation is backed by genetic analyses of tissue samples collected from adults and calves that suggests some of the most frequent object-carriers are among the most successful fathers.</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://ca.news.yahoo.com/s/afp/071205/oddities/science_animals_dolphins_offbeat"><P>Only humans and chimps are known to do anything similar as a show of prowess to win over a mating partner.</P></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/F65367FA-2F8E-4DE2-9486-4A19FC7C4625/blog/" title="blog or email this clip"><img src="http://content9.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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