Pun of the Day What book did Mr. Darwin pen after a wayward finch pooped on his head? The Origin of the Feces! 07/05/2025 · The Pun Gents What book did Mr. Darwin pen after a wayward finch pooped on his head? The Origin of the Feces! Tagged: historical figures, poo jokes, science HilariousPretty GoodOKPretty BadTerrible (4 votes, average: 2.75 out of 5)