A feghoot by Isaac Asimov. : Jokes (reddit.com) - Every crowd has a silver fining. Also, "Loint of Paw", about a criminal who uses the statute of limitations and a time machine to his advantage, has the punchline "a niche in time, saves Stein".
Feghoot - Wikipedia
Meta Feghoot.
Two very hungy owls.
Searching for food for days
Find a bakery
Feast on Figs
Strange Belch
What was that?