The evolution of birdsong: 68-million-year-old voicebox reveals how first singing avians honked and quacked



Tyrannosaurus-rex and other dinosaurs woke up to birdsong just like we do, though it was probably more honk than melodic chirping, an extraordinary fossil has revealed.
The discovery in Antarctica of the oldest known avian voice box - called a syrinx - proved that birds criss-crossed Late Cretaceous skies some 68 million years ago, during the final act of the age of dinosaurs.
Until now, the oldest known specimen of a syrinx - made from cartilage quick to decompose - dated from a mere 2.5 million years ago.
WHAT IS A SYRINX?  The organ – called a syrinx – may have originated late in the... read more

 
12 October 2016 in Science &Technology, Views: 39
Source: Daily Mail
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