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	<title>MetaFilter posts tagged with mating</title>
	<link>http://www.metafilter.com/tags/mating</link>
	<description>Posts tagged with 'mating' at MetaFilter.</description>
	<pubDate>Mon, 25 Feb 2013 12:42:03 -0800</pubDate> <lastBuildDate>Mon, 25 Feb 2013 12:42:03 -0800</lastBuildDate>

	<language>en-us</language>
	<docs>http://blogs.law.harvard.edu/tech/rss</docs>
	<ttl>60</ttl>
	<item>
		<title>Not Tentacle Porn (well, kinda tentacle porn...)</title>
		<link>http://www.metafilter.com/125365/Not%2DTentacle%2DPorn%2Dwell%2Dkinda%2Dtentacle%2Dporn</link>
		<description> The sex lives of octopuses is often difficult to photograph in the wild, however Dr. Roy Caldwell got very fortunate with a pair in his lab. &lt;a href=&quot;http://www.tonmo.com/content.php?163-Mating-Octopus-(Abdopus-aculeatus)&quot;&gt;Here are some very rare pictures of the &lt;em&gt;Abdopus aculeatus&lt;/em&gt; octopus mating, with a photo by photo explanation of what is happening&lt;/a&gt;.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2013:site.125365</guid>
		<pubDate>Mon, 25 Feb 2013 12:42:03 -0800</pubDate>
		<category>Abdopusaculeatus</category>
		<category>animals</category>
		<category>cephalopod</category>
		<category>cephalopods</category>
		<category>mating</category>
		<category>octopus</category>
		<category>octopuses</category>
		<category>photography</category>
		<category>RoyCaldwell</category>
		<category>science</category>
		<category>tonmo</category>
		<dc:creator>quin</dc:creator>
	</item>
      <item>
		<title>Make love, not war.</title>
		<link>http://www.metafilter.com/122924/Make%2Dlove%2Dnot%2Dwar</link>
		<description> &lt;a href=&quot;http://satwcomic.com/&quot;&gt;Humon&lt;/a&gt;&apos;s illustrated (and explained) &lt;a href=&quot;http://imgur.com/a/jKXOf?gallery&quot;&gt;animal mating habits&lt;/a&gt;. [somewhat NSFW]  </description>
		<guid isPermaLink="false">tag:metafilter.com,2012:site.122924</guid>
		<pubDate>Sat, 15 Dec 2012 06:03:10 -0800</pubDate>
		<category>animals</category>
		<category>biology</category>
		<category>comic</category>
		<category>courtship</category>
		<category>ethology</category>
		<category>humon</category>
		<category>imgur</category>
		<category>mating</category>
		<category>nature</category>
		<category>nsfw</category>
		<category>reproduction</category>
		<category>science</category>
		<category>sex</category>
		<category>wildlife</category>
		<dc:creator>cthuljew</dc:creator>
	</item>
      <item>
		<title>Crop circles in the sand</title>
		<link>http://www.metafilter.com/120426/Crop%2Dcircles%2Din%2Dthe%2Dsand</link>
		<description>&lt;a href="http://www.spoon-tamago.com/2012/09/18/deep-sea-mystery-circle-love-story/"&gt;The puffer fish mating dance.&lt;/a&gt;  </description>
		<guid isPermaLink="false">tag:metafilter.com,2012:site.120426</guid>
		<pubDate>Sun, 30 Sep 2012 18:43:18 -0800</pubDate>
		<category>circle</category>
		<category>dance</category>
		<category>fish</category>
		<category>mating</category>
		<category>matingdance</category>
		<category>ocean</category>
		<category>pufferfish</category>
		<category>sand</category>
		<category>underwater</category>
		<dc:creator>rhapsodie</dc:creator>
	</item>
      <item>
		<title>Bowerbirds: intentional architects, and accidental farmers</title>
		<link>http://www.metafilter.com/115350/Bowerbirds%2Dintentional%2Darchitects%2Dand%2Daccidental%2Dfarmers</link>
		<description> &lt;a href=&quot;http://en.wikipedia.org/wiki/Bowerbird&quot;&gt;Bowerbirds, a family of 20 species in eight genera&lt;/a&gt;, are a fascinating bunch of birds who range from New Guinea and Australia. &lt;a href=&quot;http://creagrus.home.montereybay.com/bowerbirds.html&quot;&gt;Some are flashy, others drab&lt;/a&gt;, but all are named for the &quot;bowers&quot; (&lt;a href=&quot;http://www.life.umd.edu/biology/borgialab/index_files/imageIEA.jpg&quot;&gt;avenues, huts, or towers of sticks&lt;/a&gt;; &lt;a href=&quot;http://www.life.umd.edu/biology/borgialab/&quot;&gt;source&lt;/a&gt;) that the &lt;a href=&quot;http://ngm.nationalgeographic.com/2010/07/bowerbirds/laman-photography&quot;&gt;males craft and decorate&lt;/a&gt; to attract a mate. &lt;a href=&quot;http://www.pnas.org/content/83/9/3042.full.pdf&quot;&gt;There are regional styles&lt;/a&gt; (PDF) in the design of the bowers, and &lt;a href=&quot;http://www.wired.com/wiredscience/2012/01/bowerbird-illusion/&quot;&gt;the male Greater Bowerbirds even employ optical illusions&lt;/a&gt;. Some, like &lt;a href=&quot;http://www.youtube.com/watch?v=E1zmfTr2d4c&quot;&gt;the Vogelkop Bowerbird&lt;/a&gt;, add mimicry vocal to their repertoire of courting methods. &lt;a href=&quot;http://www.livescience.com/19847-bowerbirds-cultivate-flowers.html&quot;&gt;Add accidental cultivation to the list of fascinating features of the bowerbirds&lt;/a&gt;. Bowerbirds in Taunton National Park, Central Queensland were observed with a higher numbers of &lt;a href=&quot;http://www.flora.sa.gov.au/efsa/lucid/Solanaceae/Solanum%20species/key/Australian%20Solanum%20species/Media/Html/Solanum_ellipticum.htm&quot;&gt;&lt;em&gt;Solanum ellipticum&lt;/em&gt;&lt;/a&gt;, or potato bush, plants around their bowers than in other locations. The locations for bowers weren&apos;t chosen with more of these plants. Instead, bowerbirds selected the brightest green fruits to decorate their bowers, casting aside the fruit when they had dried out. With that chain of actions, bowerbirds are credited as the first animal beyond humans to (accidentally) cultivate plants for appearance only. 

Other species that &quot;farm,&quot; in a fashion, include some social insects: &lt;a href=&quot;http://books.google.com/books?id=8yvE5lg8reoC&amp;pg=PA193&amp;lpg=PA193&amp;source=bl&amp;ots=j23XHLl54r&amp;sig=v3OKGiq7b933Afcp6zhtL0s779Q&amp;hl=en&amp;sa=X&amp;ei=PcKZT8O5MKayiQLW9pnkDw&amp;ved=0CGkQ6AEwAQ#v=onepage&amp;q&amp;f=false&quot;&gt;some ants and termites&lt;/a&gt; (Google books) display a &lt;a href=&quot;http://en.wikipedia.org/wiki/Symbiosis#Mutualism&quot;&gt;mutualistic symbiosis&lt;/a&gt; with fungus, as do &lt;a href=&quot;http://www.mapoflife.org/topics/topic_468_Agriculture-in-beetles/&quot;&gt;some beetles&lt;/a&gt;, and &lt;a href=&quot;http://notexactlyrocketscience.wordpress.com/2007/10/09/ants-herd-aphids-with-tranquilisers-in-their-footsteps/&quot;&gt;some ants herd aphids&lt;/a&gt;. But these relationships are established for food, not beauty. </description>
		<guid isPermaLink="false">tag:metafilter.com,2012:site.115350</guid>
		<pubDate>Thu, 26 Apr 2012 15:44:03 -0800</pubDate>
		<category>ant</category>
		<category>ants</category>
		<category>Australia</category>
		<category>beetle</category>
		<category>beetles</category>
		<category>birds</category>
		<category>bower</category>
		<category>Bowerbird</category>
		<category>Bowerbirds</category>
		<category>cultivation</category>
		<category>mating</category>
		<category>NewZealand</category>
		<category>opticalillusion</category>
		<category>socialinsects</category>
		<category>termite</category>
		<category>termites</category>
		<dc:creator>filthy light thief</dc:creator>
	</item>
      <item>
		<title>Are Birth Control Pills Changing the Mating Game?</title>
		<link>http://www.metafilter.com/114391/Are%2DBirth%2DControl%2DPills%2DChanging%2Dthe%2DMating%2DGame</link>
		<description>&lt;a href="http://blogs.discovermagazine.com/80beats/2009/10/07/are-birth-control-pills-changing-the-mating-game/"&gt;Two researchers have reviewed the body of research on the effects of birth control pills on both women and men&#8217;s perceptions of attractiveness, and have come to some provocative conclusions.&lt;/a&gt; &#8220;If you don&#8217;t take into account society maybe we&#8217;re all animals, but in social situations I don&#8217;t think there are many women who change who they would mate with at different times of the month. It might change desires or perceptions but, gee whiz, that&#8217;s a long stretch to changing who you would date, or even who you would go to dinner with&#8221;  </description>
		<guid isPermaLink="false">tag:metafilter.com,2012:site.114391</guid>
		<pubDate>Fri, 30 Mar 2012 12:55:56 -0800</pubDate>
		<category>attraction</category>
		<category>birth</category>
		<category>control</category>
		<category>mating</category>
		<category>pills</category>
		<dc:creator>goalyeehah</dc:creator>
	</item>
      <item>
		<title>Check out my voodoo mask!</title>
		<link>http://www.metafilter.com/102540/Check%2Dout%2Dmy%2Dvoodoo%2Dmask</link>
		<description> &lt;a href=&quot;http://www.youtube.com/watch?v=9GgAbyYDFeg&quot;&gt;Excellent footage&lt;/a&gt; of the stunningly beautiful yet bizarre courtship and mating behavior of the &lt;a href=&quot;http://en.wikipedia.org/wiki/Peacock_spider&quot;&gt;Peacock Spider.&lt;/a&gt;This is quite possibly the first footage of this quality that shows this behavior. Many jumping spiders have elaborate courtship dances. &lt;a href=&quot;http://www.metafilter.com/63310/Jumping-spiders-are-awesome&quot;&gt;More Previously.&lt;/a&gt;  </description>
		<guid isPermaLink="false">tag:metafilter.com,2011:site.102540</guid>
		<pubDate>Thu, 14 Apr 2011 18:57:48 -0800</pubDate>
		<category>aussie</category>
		<category>australia</category>
		<category>courtship</category>
		<category>dance</category>
		<category>mating</category>
		<category>nature</category>
		<category>spider</category>
		<category>spiders</category>
		<dc:creator>lazaruslong</dc:creator>
	</item>
      <item>
		<title>If you think I&apos;m sexy, and you want my body...</title>
		<link>http://www.metafilter.com/88893/If%2Dyou%2Dthink%2DIm%2Dsexy%2Dand%2Dyou%2Dwant%2Dmy%2Dbody</link>
		<description> Need some new moves in your dating arsenal? You could get low and funky, &lt;a href=&quot;http://www.youtube.com/watch?v=hd-ueLAgIQU&quot;&gt;like an ostrich&lt;/a&gt;. Or even funkier, like a &lt;a href=&quot;http://www.youtube.com/watch?v=E9tdloS_A-4&quot;&gt;horned pheasant&lt;/a&gt;. You could go stampy, like a &lt;a href=&quot;http://www.youtube.com/watch?v=oYmzdvMoUUA&quot;&gt;blue-footed booby&lt;/a&gt;. Triumphant, like a &lt;a href=&quot;http://www.youtube.com/watch?v=VuQI8-PsnuM&quot;&gt;peacock&lt;/a&gt;. Desperately competitive, like a &lt;a href=&quot;http://www.youtube.com/watch?v=OgxKAQ1xG3s&quot;&gt;flamingo&lt;/a&gt;. Inflated and bloviating, like a &lt;a href=&quot;http://www.youtube.com/watch?v=YjZKlHnierk&quot;&gt;frigatebird&lt;/a&gt;. Buzzy, like a  &lt;a href=&quot;http://www.youtube.com/watch?v=Ii2D9Bd5OoE&quot;&gt;satin bowerbird&lt;/a&gt;. Chest thumpy, like the &lt;a href=&quot;http://www.youtube.com/watch?v=m0M8pZnNlnI&quot;&gt;greater sage grouse&lt;/a&gt;. Prancy, like the &lt;a href=&quot;http://www.youtube.com/watch?v=zvoZkjuYD54&quot;&gt;sharptail grouse&lt;/a&gt;. Indefatigable, like a &lt;a href=&quot;http://www.youtube.com/watch?v=SGeaZcToaHg&quot;&gt;golden pheasant&lt;/a&gt;. Dizzy, like a &lt;a href=&quot;http://www.youtube.com/watch?v=EUij4tbr7GA&quot;&gt;great-crested grebe&lt;/a&gt;. Synchronized, like a &lt;a href=&quot;http://www.youtube.com/watch?v=9GOWRK5ic7E&quot;&gt;Western grebe&lt;/a&gt;. You could go all Inigo Montoya, like the &lt;a href=&quot;http://www.youtube.com/watch?v=ypNYiMvLS8Y&quot;&gt;Galapagos waved albatross&lt;/a&gt;. Or copycat, like the &lt;a href=&quot;http://www.youtube.com/watch?v=Z0i3C6Yhmzc&quot;&gt;Northern flicker&lt;/a&gt;. Screechy, like a &lt;a href=&quot;http://www.youtube.com/watch?v=6-dxkgpU1BY&quot;&gt;peregrine falcon&lt;/a&gt;. Bouncy, like a &lt;a href=&quot;http://www.youtube.com/watch?v=ZJlH9SIPZXQ&quot;&gt;woodcock&lt;/a&gt;. Slo-mo, like a &lt;a href=&quot;http://www.youtube.com/watch?v=GQ2amfd9mIM&quot;&gt;swan&lt;/a&gt;. Or maybe just act clueless, like a &lt;a href=&quot;http://www.youtube.com/watch?v=xb_7NptoMTs&quot;&gt;raven&lt;/a&gt;. </description>
		<guid isPermaLink="false">tag:metafilter.com,2010:site.88893</guid>
		<pubDate>Wed, 03 Feb 2010 14:49:19 -0800</pubDate>
		<category>birds</category>
		<category>courtship</category>
		<category>mating</category>
		<dc:creator>mudpuppie</dc:creator>
	</item>
      <item>
		<title>Picky picky</title>
		<link>http://www.metafilter.com/82487/Picky%2Dpicky</link>
		<description> Women may not be so picky &lt;a href=&quot;http://www.northwestern.edu/newscenter/stories/2009/06/finkel.html&quot;&gt;after all&lt;/a&gt;. Researchers at Northwestern University have been finding some interesting things about human mating by holding and studying &lt;a href=&quot;http://faculty.wcas.northwestern.edu/eli-finkel/documents/FinkelEastwick2008_CDir.pdf&quot;&gt;speed-dating events&lt;/a&gt; (pdf). Speed dating research has also produced findings about whether or not people &lt;a href=&quot;http://faculty.wcas.northwestern.edu/eli-finkel/documents/NatureFeature.pdf&quot;&gt;actually know&lt;/a&gt; what they initially desire in a mate (pdf) and about the disastrous effects of giving off a &lt;a href=&quot;http://www.psych.northwestern.edu/%7Efinkel/documents/Eastwicketal_2007_000.pdf&quot;&gt;desperate vibe&lt;/a&gt; (pdf).

How these new findings fit in with (or refute) previous &lt;a href=&quot;http://www.homepage.psy.utexas.edu/homepage/Group/BussLAB/pdffiles/prefs_mate_selection_1986_jpsp.pdf&quot;&gt;evolutionary research&lt;/a&gt; (pdf) on mating preferences has yet to be determined. </description>
		<guid isPermaLink="false">tag:metafilter.com,2009:site.82487</guid>
		<pubDate>Mon, 15 Jun 2009 14:32:27 -0800</pubDate>
		<category>dating</category>
		<category>mating</category>
		<category>psychology</category>
		<category>speeddating</category>
		<dc:creator>AceRock</dc:creator>
	</item>
      <item>
		<title>Insex.</title>
		<link>http://www.metafilter.com/81991/Insex</link>
		<description> Photos of various &lt;a href=&quot;http://www.webphemera.com/2009/05/insects-in-flagrante.html&quot;&gt;insects mating.&lt;/a&gt;  </description>
		<guid isPermaLink="false">tag:metafilter.com,2009:site.81991</guid>
		<pubDate>Wed, 27 May 2009 19:09:27 -0800</pubDate>
		<category>bugporn</category>
		<category>bugs</category>
		<category>insects</category>
		<category>insex</category>
		<category>mating</category>
		<dc:creator>gman</dc:creator>
	</item>
      <item>
		<title>Stupid sexy spiders</title>
		<link>http://www.metafilter.com/81300/Stupid%2Dsexy%2Dspiders</link>
		<description> Yet another reason to be spider-averse - &lt;a href=&quot;http://news.bbc.co.uk/1/hi/sci/tech/8023413.stm&quot;&gt;traumatic insemination&lt;/a&gt;.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2009:site.81300</guid>
		<pubDate>Thu, 30 Apr 2009 20:21:28 -0800</pubDate>
		<category>arachnids</category>
		<category>mating</category>
		<category>spiders</category>
		<dc:creator>idiomatika</dc:creator>
	</item>
      <item>
		<title>Celebrating digital film culture</title>
		<link>http://www.metafilter.com/72861/Celebrating%2Ddigital%2Dfilm%2Dculture</link>
		<description> &lt;a href=&quot;http://www.bitfilm.com/festival/member.php?page=fd&amp;fid=2098&amp;id=116416&amp;category_token=3D&quot;&gt;Our wonderful nature&lt;/a&gt; is a hilarious 5-minute animation about the mating rituals of the water shrew. The action starts at around 1:30. 

Other gems found at the &lt;a href=&quot;http://www.bitfilm.com/festival/index.php&quot;&gt;bitfilm 08&lt;/a&gt; Digital Film Festival include &lt;a href=&quot;http://www.bitfilm.com/festival/member.php?page=fd&amp;fid=2654&amp;id=116731&amp;category_token=FL&quot;&gt;&quot;The post-it note prison&quot;&lt;/a&gt;.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2008:site.72861</guid>
		<pubDate>Fri, 27 Jun 2008 14:17:10 -0800</pubDate>
		<category>bitfilm</category>
		<category>digital</category>
		<category>festival</category>
		<category>film</category>
		<category>mating</category>
		<category>notes</category>
		<category>post-it</category>
		<category>prison</category>
		<category>rituals</category>
		<category>shrew</category>
		<category>water</category>
		<dc:creator>sour cream</dc:creator>
	</item>
      <item>
		<title>Ee-ee! Ee-ee! (Something slimy for you, my slimy darling.)</title>
		<link>http://www.metafilter.com/67202/Eeee%2DEeee%2DSomething%2Dslimy%2Dfor%2Dyou%2Dmy%2Dslimy%2Ddarling</link>
		<description> &lt;a href=&quot;http://www.youtube.com/watch?v=FqbRpB6yVBQ&quot;&gt;Some dolphins are easy and&lt;/a&gt; &lt;a href=&quot;http://outside.away.com/outside/magazine/0999/199909outthere.html&quot;&gt; some are murderous rapists&lt;/a&gt;, &lt;a href=&quot;http://myrandts.blogspot.com/2007/03/dolphin-sex.html&quot;&gt;but all of them are into the nookie.&lt;/a&gt; Amazon River Dolphins are the casanovas of the cetacean order, &lt;a href=&quot;http://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=499945&amp;in_page_id=1770&amp;in_a_source=&quot;&gt;practised in selecting the finest mud glops or algae for that special cow.&lt;/a&gt;  </description>
		<guid isPermaLink="false">tag:metafilter.com,2007:site.67202</guid>
		<pubDate>Wed, 05 Dec 2007 17:11:37 -0800</pubDate>
		<category>cetacean</category>
		<category>dating</category>
		<category>dolphin</category>
		<category>dolphins</category>
		<category>mating</category>
		<category>rituals</category>
		<category>sexuality</category>
		<dc:creator>Ambrosia Voyeur</dc:creator>
	</item>
      <item>
		<title>En Garde!</title>
		<link>http://www.metafilter.com/63844/En%2DGarde</link>
		<description> The marine flatworm &lt;em&gt;&lt;a href=&quot;http://www.nudibranch.com.au/pages/3740a.htm&quot;&gt;Pseudobiceros hancockanus&lt;/a&gt;&lt;/em&gt; engages in &lt;a href=&quot;http://www.ifilm.com/video/2458366&quot;&gt;penis fencing [video]&lt;/a&gt;.  SFW, I guess, unless your boss is a  super uptight &lt;a href=&quot;http://www.sergeyphoto.com/underwater/nudibranchs.html&quot;&gt;nudibranch&lt;/a&gt; or something.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2007:site.63844</guid>
		<pubDate>Wed, 15 Aug 2007 09:29:26 -0800</pubDate>
		<category>fencing</category>
		<category>flatworm</category>
		<category>hancockanus</category>
		<category>mating</category>
		<category>metaphor</category>
		<category>penis</category>
		<category>penisfencing</category>
		<category>Pseudobiceros</category>
		<category>Pseudobiceroshancockanus</category>
		<category>ritual</category>
		<category>video</category>
		<dc:creator>dersins</dc:creator>
	</item>
      <item>
		<title>Mate for life</title>
		<link>http://www.metafilter.com/63354/Mate%2Dfor%2Dlife</link>
		<description> A &lt;a href=&quot;http://www.ironicsans.com/2007/07/60_seconds_in_the_life_of_the_1.html&quot;&gt;mating dance of the waved albatross &lt;/a&gt;on The Galapagos Islands. (60 sec. plus some other clips below)  </description>
		<guid isPermaLink="false">tag:metafilter.com,2007:site.63354</guid>
		<pubDate>Sat, 28 Jul 2007 21:38:02 -0800</pubDate>
		<category>albatross</category>
		<category>Galapagos</category>
		<category>mating</category>
		<dc:creator>growabrain</dc:creator>
	</item>
      <item>
		<title>Jumping spiders are awesome.</title>
		<link>http://www.metafilter.com/63310/Jumping%2Dspiders%2Dare%2Dawesome</link>
		<description> Jumping spiders use their legs to communicate courtship interests to potential mates. The minuscule impacts of spider legs tapping against the ground surface are detected by nearby spiders. This &quot;drumming&quot; cadence signals the spider&apos;s reproductive interests. The female detects the low frequency vibrations through her legs. She responds by allowing the male to mount her. &lt;a href=&quot;http://www.videosift.com/video/Jumping-Spider-Mating-Ritual-With-Super-Audio&quot;&gt;Absolutely amazing video here.&lt;/a&gt; The sound is the best part, so make sure it&apos;s on.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2007:site.63310</guid>
		<pubDate>Fri, 27 Jul 2007 07:02:32 -0800</pubDate>
		<category>jumpingspider</category>
		<category>mating</category>
		<category>rhythm</category>
		<category>ritual</category>
		<category>snap</category>
		<dc:creator>lazaruslong</dc:creator>
	</item>
      <item>
		<title>The Dance of the Manakin</title>
		<link>http://www.metafilter.com/41642/The%2DDance%2Dof%2Dthe%2DManakin</link>
		<description> &lt;a href=&quot;http://www.montereybay.com/creagrus/manakins.html&quot;&gt;Manakins&lt;/a&gt; (&lt;em&gt;Manacus sp.&lt;/em&gt;) are small, colorful sparrow-sized birds found all over Central and South America.  Manakin males engage in &lt;a href=&quot;http://hedonistica.com/flash.php?path=/flash/moonwalkbird.swf&amp;w=640&amp;h=480&quot; title=&quot;Manakin moonwalks! [flash]&quot;&gt;elaborate courtship dances&lt;/a&gt;, including rhythmic sounds they produce with their wings.  No one really knew how the birds made this sounds, until &lt;a href=&quot;http://www.cumv.cornell.edu/staff/bostwick.html&quot;&gt;Kimberly Bostwick&lt;/a&gt;, Curator of Birds and Mammals at the &lt;a href=&quot;http://birds.cornell.edu/publications/livingbird/autumn2003/A_Museum.htm&quot;&gt;Cornell University
Museum of Vertebrates&lt;/a&gt;, went into the jungles of Ecuador to film the birds at 1000 frames per second.  As it turns out, different species of manakin use entirely different motion to produce the sounds.  The Journal of Experimental Biology has &lt;a href=&quot;http://jeb.biologists.org/cgi/content/abstract/206/20/3693&quot;&gt;published the results&lt;/a&gt;, complete with &lt;a href=&quot;http://jeb.biologists.org/cgi/content/full/206/20/3693/DC1&quot;&gt;videos&lt;/a&gt;.  &lt;a href=&quot;http://ravel.zoology.wisc.edu/sgaap/Boids_html/video_clips.htm&quot;&gt;Mark Barres&lt;/a&gt;, who studies avian genetic population structures at the Univ. of Wisconsin, has also filmed &lt;a href=&quot;http://ravel.zoology.wisc.edu/sgaap/Video/White_Bearded_Manakin.mov&quot; title=&quot;This video illustrates a typical mating sequence of the White-bearded Manakin (Manacus manacus). Upon arrival of a female (olive-green; look for her in the bottom-left corner of the video), males (black and white) holding courts will initiate highly stereotyped displays including numerous vocalizations and mechanically produced sounds. Once the female chooses the male she wishes to mate with (the criteria females use to make a mate choice, if any, remains unclear), the pair will begin another distinct stereotyped prelude to the actual mating event. Apparently, copulation always occurs on the central pole in the males court with the male mounting the female from above by a sliding-down-the-pole action. Once the mating event is finished (&lt; 2 seconds), the female performs ritualized preening actions prior to her departure from the lek.&quot;&gt;the mating dance of the Manakins [.mov]&lt;/a&gt;.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2005:site.41642</guid>
		<pubDate>Fri, 29 Apr 2005 16:38:25 -0800</pubDate>
		<category>birds</category>
		<category>mating</category>
		<category>ornithology</category>
		<category>science</category>
		<category>video</category>
		<dc:creator>monju_bosatsu</dc:creator>
	</item>
      <item>
		<title>Periodical cicadas</title>
		<link>http://www.metafilter.com/18115/Periodical%2Dcicadas</link>
		<description>&lt;a href="http://insects.ummz.lsa.umich.edu/fauna/michigan_cicadas/Periodical/Index.html"&gt;Periodical cicadas&lt;/a&gt; , the 13-year and 17-year varieties made up of 23 separate &lt;a href=http://insects.ummz.lsa.umich.edu/fauna/michigan_cicadas/Periodical/compositebroods.html&gt;broods&lt;/a&gt;, sometimes emerge concurrently, as they did in &lt;a href=http://www.conservation.state.mo.us/cgi-bin/news/news_search.cgi?item=1025201891,92964,&gt;Missouri&lt;/a&gt; in 1998. The result of their combined mating calls is a &lt;a href=http://insects.ummz.lsa.umich.edu/fauna/michigan_cicadas/Periodical/AIFFsounds/sdecimchor.AIFF&gt;cacaphony&lt;/a&gt;. There are many different varieties of calls: those by &lt;a href=http://insects.ummz.lsa.umich.edu/fauna/michigan_cicadas/Periodical/AIFFsounds/cassiniCI.AIFF&gt;Magicicada cassini&lt;/a&gt;, &lt;a href=http://insects.ummz.lsa.umich.edu/fauna/michigan_cicadas/Periodical/AIFFsounds/sdecimCI.AIFF&gt;Magicicada septendecim&lt;/a&gt; and &lt;a href=http://insects.ummz.lsa.umich.edu/fauna/michigan_cicadas/Periodical/AIFFsounds/decuIaCI.AIFF&gt;Magicicada septendecula&lt;/a&gt; are just a few. Brood &lt;a href=http://insects.ummz.lsa.umich.edu/fauna/Michigan_Cicadas/Periodical/BroodXXIII.html&gt;XXIII&lt;/a&gt; is due this year. The prime numbers of the two cycles make it difficult for predators to evolve matching breeding cycles. &lt;a href=http://insects.ummz.lsa.umich.edu/fauna/michigan_cicadas/Periodical/Index.html&gt;More cicada links&lt;/a&gt;.  </description>
		<guid isPermaLink="false">tag:metafilter.com,2002:site.18115</guid>
		<pubDate>Fri, 28 Jun 2002 09:22:17 -0800</pubDate>
		<category>calls</category>
		<category>cicada</category>
		<category>insect</category>
		<category>mating</category>
		<category>song</category>
		<dc:creator>TurkeyMustard</dc:creator>
	</item>
      
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