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Did dinosaurs sing? Was there a teeming, singing wilderness with all the species thumping around, tuning up for the next millennia? Of course, dinosaurs sang, I thought. They are the ancestors of the singing birds and cousins to the roaring crocodiles…turns out, no. Turns out the syrinx, the organ that produces birdsong and the larynx, the organ that produces operatic arias, didn’t evolve until after the dinosaur extinction event…Some dinosaurs blew air into their closed mouths and through nasal cavities into resonance chambers, which we see in fossils as bony crests. They made the forest echo with clear, ominous tones, eerily like a cello. I have heard it in recordings scientists made of the sound they produced when they blew air through crests constructed to mimic lambeosaurus’s. Some dinosaurs cooed to their mates like doves…turns out that even if dinosaurs didn’t sing, they danced. There is evidence in vigorous scrape marks found in 100-million year old Colorado sandstone. From the courting behavior of ostriches and grouse, scientists envision the dinosaur males coming together on courting grounds, bobbing and scratching, flaring their brilliant feathers and cooing. Imagine: huge animals, each weighing more than a dozen football teams, shaking the Earth for a chance at love.
What the story of the dinosaurs tells me is that if the earth didn’t have music, it would waste no time inventing it. In birds, tantalizing evidence of birdsong is found in 67-million-year old fossils, marking the first know appearance of the syrinx. Now the whole Earth can chime, from deep in the sea to high in the atmosphere with the sounds of snapping shrimp, singing mice, roaring whales, moaning bears, clattering dragonflies, and a fish calling like a foghorn. Who could catalog the astonishing oeuvre of the Earth? And more songs are being created every year.
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Kathleen Dean Moore (Earth's Wild Music: Celebrating and Defending the Songs of the Natural World)