Behaviors are always challenging to get reconstructed, specially if we are talking about a Jurassic sound with about 165 million years. But that was exactly the challenged that scientists faced when they decided to inraveal the song that the Archaboilus musicus stridulating katydid, on a dinnassours era.
It was upon discovery of a bushcricket fossil, from the Jurassic period, with well preserved wings and well visible stridulating organ, that researchers could compare the exctinct cricket to 59 living species.
Based on physiology and the comparisons, they estimated the pitch and length of each note that the ancient species sang. Here’s the call: [Cricket sound] coming from a Jurassic era.
After all, it's not so different from any nowadays little country cricket.
from here
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