Actually this is real scientific work we learn from nature to make our aircrafts fly noislessly as possible. .in future a/cs will be noiseless as the owl, adv stealth during wars and in normal life less disturbance in terms of noise levels e.i decibles.
He already accepted that he got it from Reddit. See above.
It is very difficult to come across such a video unless you are a zoologist.
Anyway, you do realize that reddit accepts Youtube videos like the one embedded on the reddit post I made, right?
your point being? let me tell you how it works in this here village ,A guy posts a picture and claims it's his,it could be something as innocent as a cockroach wearing a beret singing cotton picking slave song or a slay queen from muchatha,villagers can't take that nonesense,village sleuths go bananas over such,and they go on classifified mission to find the real deal, intel is obtained and within a 'naeka kichwa tu' minute,that bogus listing is ravaged,torn limb from limb and shot down......thats CSI my fren