Infanticide among Dolphins


	Infanticide among Dolphins

cakebelly

5-18-2009 1:51 PM

221 views

cakebelly says:

full at source

2 Comments |

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5-18-2009 6:16 PM

ratcatcher2

This happens regularly with land mammals. If the males succeed then the female is 'available' for sex. Lion cubs are in bigger danger from unattached male lions than from other predators.

5-18-2009 6:47 PM

tanyamm

Sad but true, humans have been known to do this too.

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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/5291023c-1bbd-45e6-809f-13f4432f0bb7/2847C95D-9061-416B-80FB-DF7A9F549C0D/" 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/earth/hi/earth_news/newsid_8048000/8048288.stm" href="http://news.bbc.co.uk/earth/hi/earth_news/newsid_8048000/8048288.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/earth/hi/earth_news/newsid_8048000/8048288.stm"><DIV class="mvb">
<SPAN class="byl">
                        Matt Walker
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<SPAN class="byd">
                        Editor, Earth News
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</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/earth/hi/earth_news/newsid_8048000/8048288.stm"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/news.bbc.co.uk/img/DA6C5476-EF78-4934-AD8B-9357094BBB4A" alt="Tucuxi dolphin" /></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/earth/hi/earth_news/newsid_8048000/8048288.stm"><DIV class="cap">Baby tucuxi moments before the attack                             </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/earth/hi/earth_news/newsid_8048000/8048288.stm"><P class="first"><B>Adult tucuxi dolphins have been seen trying to kill a newborn calf of their own species.</B></P><P>It is the first record of these dolphins attempting infanticide. </P><P>Although common in many mammal species, infanticide is rarely recorded among cetaceans, the group of animals that includes whales and dolphins. </P><P>Until now, the behaviour has only been reported twice in bottlenose dolphins; but the new episode suggests it may be more widespread than was thought. </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/earth/hi/earth_news/newsid_8048000/8048288.stm"><P>Adult male marine tucuxis are known to be aggressive to one another during the breeding season, but they had never been seen being aggressive or violent towards younger members of their species.</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/earth/hi/earth_news/newsid_8048000/8048288.stm">Four metres away, the two remaining adults rammed the calf and held it underwater. They then threw it in the air and again pushed it underwater. Afterwards the calf was disorientated and swam with difficulty.</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/earth/hi/earth_news/newsid_8048000/8048288.stm">they never again saw the calf. </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/earth/hi/earth_news/newsid_8048000/8048288.stm"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/news.bbc.co.uk/img/F8B9EB05-2BC7-47B6-8258-C1EB2756BFE2" alt="Adult female tucuxi dolphin" /></div></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/2847C95D-9061-416B-80FB-DF7A9F549C0D/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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