tag:blogger.com,1999:blog-4953008377950396317.post2492740807945237640..comments2024-03-28T18:39:59.184-07:00Comments on SearchReSearch: Search challenge (Mar 9, 2011): Can birds sing more than one note at a time?Dan Russellhttp://www.blogger.com/profile/13603209997260423532noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-4953008377950396317.post-1804200929445204962011-03-10T17:43:45.174-08:002011-03-10T17:43:45.174-08:00Too easy! I found an answer in 10 seconds by the ...Too easy! I found an answer in 10 seconds by the first search I thought of: googling double syrinx. Of course, I know already that birds produce sounds with a syrinx, and it might have taken me longer without that knowledge.<br /><br />http://www.fortunecity.com/emachines/e11/86/virtuoso.htmlAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-4953008377950396317.post-62071065824482918882011-03-10T01:12:08.791-08:002011-03-10T01:12:08.791-08:00Wow.
So birds can actually sing two notes at onc...Wow. <br />So birds can actually sing two notes at once. In fact, not just two notes—some throat singers can produce as many as four...dandelionwisheshttps://www.blogger.com/profile/17535438055185718120noreply@blogger.comtag:blogger.com,1999:blog-4953008377950396317.post-47508790681411818012011-03-09T11:28:09.287-08:002011-03-09T11:28:09.287-08:00A quick Google search on [bird "two notes at ...A quick Google search on [bird "two notes at once"] brings me to Wikipedia page on “Bird vocalization” http://en.wikipedia.org/wiki/Bird_vocalization and from there to a Wikipedia page on the avian vocal organ (called the syrinx) http://en.wikipedia.org/wiki/Syrinx_(biology)<br />Another hit learned me that the syrinx is called “voice box” http://www.lifers-birding.com/downloads/june2010.pdf<br /><br />A Google Book search on ["voice boxes" birds] came up with a book with the title “The singing life of birds: the art and science of listening to birdsongs” with a lot of information on this mechanism.<br /><br />The use of two voices is called polyphony (http://earbirding.com/blog/specs/polyphony ) and in this flash animation you can see how it works: http://www.indiana.edu/~songbird/multi/Cowbird%20Movie%207.swf from: http://www.indiana.edu/~songbird/multi/songproduction_index.htmlHanshttps://www.blogger.com/profile/16362447090339269962noreply@blogger.com