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05 Apr 18 - 08:28 AM (#3915326) Subject: BS: Evolving bird song From: Donuel In the last 10 years I have heard the nesting birds in our window boxes change their song. They have gone from a distinct chee ba gah chee ba gah to cheat a-bow cheat a-bow. http://www.loe.org/shows/segments.html?programID=15-P13-00026&segmentID=7 I miss the cheese burger |
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05 Apr 18 - 08:30 AM (#3915327) Subject: RE: BS: Evolving bird song From: Mrrzy Above the line? This is interesting and musical. |
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05 Apr 18 - 08:51 AM (#3915333) Subject: RE: BS: Evolving bird song From: Donuel Chee ba ga always sounded like John Belushi on sat nite live giving orders to his short order cook Dan Akroyd. I learned some female birds can not sing but instead have brain areas devoted only to judging song. |
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06 Apr 18 - 04:56 AM (#3915529) Subject: RE: BS: Evolving bird song From: Murpholly Research undertaken in England has discovered birds change their songs and become louder in urban settings - especially London - presumably to announce their territory and find a mate over all the traffic noise. |
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06 Apr 18 - 09:41 AM (#3915601) Subject: RE: BS: Evolving bird song From: Mrrzy Imagine dinosaur dawn, how loud it must have been! |
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06 Apr 18 - 02:29 PM (#3915672) Subject: RE: BS: Evolving bird song From: robomatic I love nature, either in the wild, or in its ventures into urban settings. BUT: I strongly feel that if we could see into the nature that existed in the dinosaur era, our eyes, ears, and all other sensory apparati would be gobsmacked by our perceptions of beauty, awe, and mystery. There was more oxygen in the air, then. Dragonflies had 60 centimeter wingspans. |
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08 Apr 18 - 04:02 PM (#3915958) Subject: RE: BS: Evolving bird song From: Pete from seven stars link Can you imagine a dinosaur scene / where only you think / are beasts that have been / then to you surprise / right before your eye / did you expect to see / a duck fly by ! |