I don't know who did this. I found it when looking up Mark Nowell
lectures on youtube. But it made me ask how it is know with certainty
that T-Rex had no syrinx?
John Harshman
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Dec 28, 2023, 4:39:51 PM12/28/23
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It isn't known with certainly, and in fact it's a fairly weak inference.
The first fossil evidence of a syrinx is Vegavis, and the claim is that
if there had been anything much older we should have found at least a
few by now.