"Maybe the deer ate all the rabbits!"
My mom said that once a few years ago. She was absolutely serious. No joke. It still stands as the most ridiculous thing I've ever heard.
We had moved from Illinois to Virginia a few years back. For those who don't know, the Midwest plains and prairies in Illinois are ideal environments for rabbits. The Eastern forests of Virginia, in contrast, house large populations of deer. Apparently my mom didn't know any of that, so she was rather startled by the abundance of deer and lack of rabbits. So one day she was discussing these changes with me and asked, quite seriously, if deer ate rabbits. Now I can understand not knowing that rabbits are plains animals and deer are forest animals, but I can't quite comprehend how my mom did not realize deer are herbivores.
What's worse, even after I explained everything to her, she still asked me about deer eating rabbits at least twice in the following weeks.