lungless frog | Clipmarks


	lungless frog

mona

5-14-2008 12:00 PM

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5-14-2008 2:00 PM

midtoad

how this frog evolved into this configuration is described in the book "The Making of the Fittest". A fascinating read.

5-14-2008 4:25 PM

mona

thanks for the hint, midtoad. sounds fascinating, indeed!

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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://www.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/2776856b-7bd9-43ea-8e6f-1b1e665b80db/B15703DB-9E9B-4985-8E08-38C636E0CA43/" 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.newscientist.com/channel/life/endangered-species/dn13605-worlds-only-lungless-frog-leaves-scientists-gasping.html" href="http://www.newscientist.com/channel/life/endangered-species/dn13605-worlds-only-lungless-frog-leaves-scientists-gasping.html" style="font-size: 11px;">www.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/channel/life/endangered-species/dn13605-worlds-only-lungless-frog-leaves-scientists-gasping.html"><H2 class="inline">World's only lungless frog leaves scientists gasping</H2></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.newscientist.com/channel/life/endangered-species/dn13605-worlds-only-lungless-frog-leaves-scientists-gasping.html"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.newscientist.com/img/339FDAA3-5A40-4097-A3F1-219605BB69B9" alt="The Bornean flat-headed frog lives in fast-flowing streams and is the only known lungless frog (Image: D. Bickford)" /></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.newscientist.com/channel/life/endangered-species/dn13605-worlds-only-lungless-frog-leaves-scientists-gasping.html"><P>An unassuming little frog from Borneo has been found to have an exceedingly rare anatomical feature – introducing <I>Barbourula kalimantanensis</I>, the only known frog with no lungs.</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://www.newscientist.com/channel/life/endangered-species/dn13605-worlds-only-lungless-frog-leaves-scientists-gasping.html"><P>The Bornean flat-headed frog gets all of its oxygen through its skin. Local gold-mining operations, however, are fast polluting the streams where the frog lives.</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://www.newscientist.com/channel/life/endangered-species/dn13605-worlds-only-lungless-frog-leaves-scientists-gasping.html"><P>Lunglessness is extremely rare in amphibians because, although the animals breathe through their skin, the method delivers only a fraction of the oxygen provided by lungs. It is only practical for cold-blooded animals, which use far less energy than mammals.</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://www.newscientist.com/channel/life/endangered-species/dn13605-worlds-only-lungless-frog-leaves-scientists-gasping.html">he clear, cold, fast-flowing streams they live in made this change possible.</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.newscientist.com/channel/life/endangered-species/dn13605-worlds-only-lungless-frog-leaves-scientists-gasping.html"><P>But deforestation and illegal gold mining is making the streams warm and sluggish – hostile habitat for the Bornean flat-headed frog.</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/B15703DB-9E9B-4985-8E08-38C636E0CA43/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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