They are very proud of it too.
> While many of the animal programs studied by CIA were never deployed operationally—or failed for a variety of technical, logistical, or behavioral reasons—collectively they demonstrate the incredible innovation and creative thinking that has come to characterize everything that our Directorate of Science and Technology does.
[1] https://www.cia.gov/stories/story/natural-spies-animals-in-e...
I had no idea about the CIA thing. I just always assumed the "birds aren't real" meme to be a way of showing how ridiculous the police state is going to become in the next decade or so as surveillance gets more and more weaponized against the people it was supposed to protect.
https://interestingengineering.com/military/chinese-special-...