Tit-for-tat: birds found to repay wartime help


	Tit-for-tat: birds found to repay wartime help

wildcat

7-7-2008 8:36 AM

714 views

tags:

memory, birds, tit for tat

3 Comments |

Add a Comment

7-7-2008 9:44 AM

Socratoad

Very interesting.

Thanks wildcat.

7-7-2008 11:31 AM

bignosemousie

Very very interesting.

7-8-2008 6:49 AM

haraya

Love this. Thanks wildy!

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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/4d1b14ee-a3d8-44b4-af4a-bbb566e1c9d4/BAA73DE1-7B7B-4A12-A8ED-5BDB7D782876/" 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://www.world-science.net/exclusives/080706_flycatcher" href="http://www.world-science.net/exclusives/080706_flycatcher" style="font-size: 11px;">www.world-science.net</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.world-science.net/exclusives/080706_flycatcher"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.world-science.net/img/80572EB7-602E-4984-A3A4-9AA1203E49E4" 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://www.world-science.net/exclusives/080706_flycatcher"><DIV>When it spots a lurking predator, the sparrow-like pied flycatcher reacts in a way common among some birds and mammals. It calls up a mob of its peers to drive the interloper away.</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://www.world-science.net/exclusives/080706_flycatcher"><DIV>
      But more than a feisty defender, the northern European bird is also a shrewd  
      account keeper, researchers say: it remembers which of its neighbors answered its call to arms, and which stayed home.  
      And it repays each in kind. </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://www.world-science.net/exclusives/080706_flycatcher"><DIV>
      Scientists say the behavior offers new insights into the evolution of cooperation and altruism, and a new appreciation of the complexity of bird social life. </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://www.world-science.net/exclusives/080706_flycatcher"><DIV>
      Apparently even some birds have learned that “playing nice pays,” University of Chicago evolutionary biologist David Wheatcroft wrote recently, alluding to the flycatcher research, in which he was not involved. </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/BAA73DE1-7B7B-4A12-A8ED-5BDB7D782876/blog/" title="blog or email this clip"><img src="http://content8.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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