A 1963 New York Zoo had a cage with the title “The Most Dangerous Animal In The World.”

“This animal, increasing at a rate of 190,000 every 24 hours, is the only creature that has ever killed off entire species of other animals. Now it has achieved the power to wipe out all life on Earth.”

And inside the exhibit?

Was a mirror.

In 1963, New York Zoo Had An Exhibit Called “The Most Dangerous Animal in the World”