Traffic Noise Reducing Frog Courtships


	Traffic Noise Reducing Frog Courtships

celestialdancer

8-24-2009 7:28 AM

85 views

celestialdancer says:

Well, I have only moved one suburb closer to the inner city where I live and whilst it is quieter in one way, it is noisier in another. It is denser living than where I was previously. I have noticed my sleep being disturbed more often. I have started resorting to listening to ambient music at loud volume to drown out the distractions - using headphones of course. So is it any wonder these frogs are experiencing difficulties???

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8-24-2009 9:06 AM

celestialdancer

There is more fascinating info at source... a species of frog that has changed its pitch... and more...

8-24-2009 12:47 PM

shaor

I know when I went to the Caribbean I slept so soundly where as here the slightest noise awakes me.

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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/b01c7e5e-336a-488b-956e-23618921e637/545372CA-0492-4F46-972E-40F12A175F69/" 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://ecoworldly.com/2009/08/22/no-sex-in-the-city-traffic-noise-is-a-downer-for-frogs/" href="http://ecoworldly.com/2009/08/22/no-sex-in-the-city-traffic-noise-is-a-downer-for-frogs/" style="font-size: 11px;">ecoworldly.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://ecoworldly.com/2009/08/22/no-sex-in-the-city-traffic-noise-is-a-downer-for-frogs/"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/ecoworldly.com/img/1D75A7C3-409C-4EF3-93C2-7E57E198EF9D" alt="Green Tree Frog" /></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://ecoworldly.com/2009/08/22/no-sex-in-the-city-traffic-noise-is-a-downer-for-frogs/">Who knew frogs needed a certain ambiance to get them in the mood?  <A target="_blank" href="http://www.botany.unimelb.edu.au/envisci/about/staff/kirsten.html">Dr. Kirsten Parris</A>, a Melbourne University ecologist, has discovered that noise from traffic and machinery may be a contributing factor in the decline of urban frogs in Melbourne.</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://ecoworldly.com/2009/08/22/no-sex-in-the-city-traffic-noise-is-a-downer-for-frogs/"><P>After all, the frog’s croak is one of the most important attributes when it comes to attracting females to their pond.   But a new study reveals that all that noise may be drowning out the mating calls of the frog.</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://ecoworldly.com/2009/08/22/no-sex-in-the-city-traffic-noise-is-a-downer-for-frogs/"><P>Female frogs often perceive males with the loudest and quickest love songs to be the most fit and attractive, according to Parris.  When several frogs croak at the same time, females are usually attracted to the frog that sounds the best.</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://ecoworldly.com/2009/08/22/no-sex-in-the-city-traffic-noise-is-a-downer-for-frogs/">frogs using their normal pitch can’t be heard past 21 yards while frogs using higher pitches can be heard up to 37 yards.  Without the noise of the traffic and machinery, popplebonk frogs can be heard by females at distances up to 875 yards.</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://ecoworldly.com/2009/08/22/no-sex-in-the-city-traffic-noise-is-a-downer-for-frogs/">add in some traffic</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://ecoworldly.com/2009/08/22/no-sex-in-the-city-traffic-noise-is-a-downer-for-frogs/">and the distance is reduced to only 46 feet!</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/545372CA-0492-4F46-972E-40F12A175F69/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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