When the zoo was abandoned, many of the animals died, for lack of care.
Not the monkeys! They thrived, using their above-average intelligence (for animals) to mimic the humans who once took care of them.
They multiplied. There was monkey shit everywhere.
A sea of monkeys.
Monkey sea, monkey doo-doo.
“xpwwtgqqqqqqqqqqq,” typed Koko the monkey with a human on its back. “Get off my back, I’m working,” it thought. The research assistant moved on to the next monkey.
Koko pulled out the sheet and threw it away. He used the next sheet to continue his play, “Planet of the Monkeys”