Why do seagulls fly over the sea?
Because if they flew over the bay, they would be called bagels.
Seagulls Over the Sea
Explanation
Explain Bear
Listen up, nimrod! This joke is all about a play on words. See, seagulls fly over the *sea*. If they flew over a *bay*, they'd be *bay-gulls*, which sounds like *bagels*. Get it now, dummy?